Electronic LCD Display Digital Temperature Meter Thermometer Probe Sensor Wired for Greenhouse, Garden, Cellar, Fridge

Specifications: Condition: 100% Brand New Timer Display Range: 1:00-12:59 Temperature Range: -50~+70 (-58~+158) Accuracy: +/-1 Temperature Higher Than -20 Resolution: 0.1 Temperature Lower Than -20 Resolution: 1 Power Supply: 1Pc AAA Battery (Not Included) Size: Approx. 118 x 30 x 28.5MM / 4.6 x 1.2 x 1.1inch Package Weight: 50g         Operation Instruction: 1. Open battery cover on the device, place AAA battery in correct electrode. FSW is function conversion key, IN means indoor temperature display, Out means outdoor temperature display. 2. When starting up, after LCD full screen displays 2 seconds, LCD displays current indoor temperature. During the period of LCD displaying 2 seconds, function key won't switch state. 3. If continuously press FSW function key over 4 seconds, device will shut down, while clock time maintain counting. 4. When temperature not lower than 70(158) in measurement, LCD will display H() in radix point first place, if temperature is lower than -50(-58), LCD will display L() in radix point first place. 5. If battery power is insufficient, LCD will flash at the speed of 1Hz, at this time measurement data is inaccurate, you should change a new battery. / is Celsius/Fahrenheit switch.  Package Included: 1 x Thermometer (without battery)