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• [Premium Quality structure]: Made of the extra-fortified plastic, more durable and the ergonomic design is easy to hold by hand. The high-quality components we use inside will not rust. OPULENT SYSTEMS does strict quality control process before shipments.
• [Easy to set up and operation]: Easy to use 3 buttons to set up temperature between Fahrenheit/Celsius according to your using habit. The packaging also includes the professional user instruction with the operation details.
• [High Level Reliability and Result] The temperature control within a range of 68-108 ºF and it is great for the professional gardener and grower to reliably monitor the temperature of your plant’s roots with as sensor probe and get the effective results.
• [Install and use anywhere]: You can hang the controller with flush on the wall or from a variety of hook sizes. Flexibly install with a 6FT power cord and 6.4FT probe cord. The UL certified 3 prong ground outlets ensue the safety. Compatible with any heat mat to plug into North American outlets, it is also a good option to use with OPULENT SYSTEMS heat mats.

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• 【High Temperature Controller 】- Our high temperature controller Probe measurement range: -30 ~300 ℃ / -22~572 ℉.
• 【UL Certification power cable】– WILLHI Digital Temperature Controller has high quality power cable, the top quality copper wire can load large currents.
• 【Overcurrent Protection】 – Our temperature controller has very safe overcurrent breaker designing, it can shut off the heater or cooler automatically if the equipment got short circuit.
• 【High and low temperature alarm】 – Place the waterproof probe, plug the power cord in the Temp Controller . Set the maximum desired temperature for the heat mat. Alarm when temperature exceeds the limit or when sensor error.
• 【Widely Applied】 – The thermostat can be used to control a wide variety of refrigeration and heating, seedling heat mat，pet breeding，incubation，HVAC equipment, accelerating germination，electric radiator, electric oven，fermentation, grow tent, home brewing, aquarium, Smoker and BBQ, etc.

From the product description, check product page for current description, price and availability:

• UL Certification power cable– WILLHI Digital Temperature Controller has high quality power cable, the top quality copper wire can load large currents.
• Overcurrent Protection – Our temperature controller has very safe overcurrent breaker designing, it can shut off the heater or cooler automatically if the equipment got short circuit.
• Waterproof Sensor – Place the waterproof probe, plug the power cord in the Temp Controller . Set the maximum desired temperature for the heat mat. Alarm when temperature exceeds the limit or when sensor error.
• Widely Applied – The thermostat can be used to control a wide variety of refrigeration and heating, seedling heat mat，pet breeding，incubation，HVAC equipment, accelerating germination，electric radiator, electric oven，fermentation, grow tent, home brewing, aquarium and BBQ, etc.
• 6 Month Warranty – We provide this WILLHI Digital Temperature Controller with 6-Month Warranty and 24hours customer service, if you have any questions, we will resolve your issue within 24 hours.

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• NOTE — To protect heating and cooling device, we designed that the min temperature range from Heating Set Point(or Cooling Set Point) to Stop Value is 6℉/3℃. It’ because, if the differential is set too less, it will cause frequent startup and shutdown of the device.
• Keep Ideal Temperature — The thermostat provides constant optimal temperatures, and keeps your environment in the ideal temperature range.
• Heating & Cooling Mode — Dual relay output, allow control heating and refrigeration equipment at the same time.
• Convenient Design — Plug and play design. The large, lighted LCD screen display is easy to read and program. Support reading with Centigrade and Fahrenheit unit. Handheld device appearance consistent with the principles of ergonomics.
• Widely Applied — The thermostat can be used to control a wide variety of dual-stage refrigeration and heating, HVAC equipment, fermentation, grow tent, home brewing, aquarium, incubation and BBQ, etc.

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• Small error value, very suitable for places that require constant temperature.
• Wide voltage power supply, can work even voltage is inconstant
• High quality thicken power cord.
• Used for appliances of living room, bedroom, kitchen.
• High precision probe ensures the measurement accuracy.

Specifications:

Display: LED Digital Tube
Temperature Measuring Range: -9°C~99°C
Control Precision: 1°C
Measuring Accuracy: ±0.1°C
Resolution: 0.1°C
Power Supply: AC 110V-240V
Plug Type: US Plug
Refresh Rate: 0.5s
Temperature Calibration Range: (+/-)9°C
Measurement Input: NTC(10K0.5%)Waterproof Type Sensor
Output: Relay 10A One Load
Static Current: less than 40mA
Attraction Current: less than 65mA
Working Environment: -10°C~60°C, Humidity 20%~85%
Working Modes: Heating or Cooling Mode
Power Cable Length: Approx. 150cm / 59in
Item Size: 140 * 98 * 44mm / 5.5 * 3.86 * 1.7in
Item Weight(with Sensor and Power Plug): 320g / 11.3oz
Package Size: 20 * 13 * 5.5cm / 7.87 * 5.12 * 2.16in
Package Weight: 360g

From the product description, check product page for current description, price and availability:

• Small error value, very suitable for places that require constant temperature.
• Wide voltage power supply, can work even voltage is inconstant
• High quality thicken power cord.
• Used for appliances of living room, bedroom, kitchen.
• High precision probe ensures the measurement accuracy.

Specifications:

Display: LED Digital Tube
Temperature Measuring Range: -9°C~99°C
Control Precision: 1°C
Measuring Accuracy: ±0.1°C
Resolution: 0.1°C
Power Supply: AC 110V-240V
Plug Type: US Plug
Refresh Rate: 0.5s
Temperature Calibration Range: (+/-)9°C
Measurement Input: NTC(10K0.5%)Waterproof Type Sensor
Output: Relay 10A One Load
Static Current: less than 40mA
Attraction Current: less than 65mA
Working Environment: -10°C~60°C, Humidity 20%~85%
Working Modes: Heating or Cooling Mode
Power Cable Length: Approx. 150cm / 59in
Item Size: 140 * 98 * 44mm / 5.5 * 3.86 * 1.7in
Item Weight(with Sensor and Power Plug): 320g / 11.3oz
Package Size: 20 * 13 * 5.5cm / 7.87 * 5.12 * 2.16in
Package Weight: 360g

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• MONITOR FERMENTATION: The G. Francis® Homebrew 1/4″ Stainless Steel Thermowell and #7 Bung Stopper for Glass Carboy Fermentation Temperature Thermometer Probe gives your temperature controller accurate readings to keep your beer at a precise temperature for sterile temperature control; Heating kit and carboy not included
• KEEP OUT CONTAMINATION: Place a probe inside the tube and then inside your beer fermentation vessel (not included) to monitor your wort while keeping out harmful contaminants and aeration
• USE YOUR CARBOY: Compatible with most standard glass carboys, temperature controllers, and airlocks; The thermowell is entirely removable from the stopper to fit different sized configurations (#10 stoppers are recommended for plastic carboys)
• COMBINATION SET: In addition to the thermowell, the included #7 bung plug stopper has an airlock hole with a 0.25-inch (6mm) diameter for standard size airlock to prevent your carboy from building up pressure; The stopper has a 1.3-inch (33mm) top diameter and 0.9-inch (24mm) bottom diameter and includes all hardware needed for exact temperature control even in colder environments
• SECURE FIT: Constructed with a stainless-steel tube and silicone bung stopper; Make sure the carboy surface and the stopper itself are dry in order for it to stay secure once pressed into carboy; Approximate 0.25-inch (6mm) tube inside diameter (ID); 15.5-inch (39.4cm) overall length; 14.25-inch (36.2cm) tube and 1.1-inch (2.8cm) stopper

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• PERFECT TEMP. Temperature controlled fermentation is very important and this kit has everything you need to RAISE your fermentation temp to perfection.
• COOLING ALSO! The included temperature controller also has cooling modes. Add a fridge or freezer in place of the heater and you can cool your wort to the perfect temperature in the summer.
• NO CONTAMINATION The included stopper, airlock, and thermowell ensure you get a perfect temperature reading without risking contamination
• Fermenter SOLD SEPARATELY
• Need this kit for a glass fermenter? Search B07GWY847D on Amazon.

No more guessing if your beer is fermenting that the perfect temperature. Place your fermeter in a location colder than your desired temp, and this system will do the rest. The included temperature controller can also do cooling when paired with a fridge or freezer (sold separately) The included stopper (#10) is for standard plastic fermenters.

From the product description, check product page for current description, price and availability:

• [Made More Durable] :Made of durable PVC materials and multi-layers structure. Internal insulated wiring for enhanced safety.
• [ High Reliability and Performance] :OPULENT SYSTEMS provides the heat mat around 110℉-20℉ above ambient room temperature to insure professional, functional and reliable standard.Quick response & friendly customer service level.
• [Easy to Clean and Storage] :With the water-resistant function, It is easy for the users to clean, rinse with clear water and wipe dry with clean cloth. It is easy to roll up the heating mad and storage for reuse.
• [Extensible to Variety use]: Perfect to use for seeding, germination, homebrewing a and pet enclosures terrariums, such as those used in reptile, rodent and arachnid.
• [ Product Details Printed on Mat] : Product dimensions is 10”x20.75”, the size is great for standard 1020 trays *Good option to choose OPULENT SYSTEMS Seedling Starter Tray*. The heat mat has the safe electricity with 18 watts power. It is can be used indoors, and greenhouses to deliver enough heat to get your garden development and healthy.