0100% complete machine chip, wave soldering, stable performance, good consistency; embedded central processor chip (MCU), better intelligent, lower power consumption; power-off settings automatically memory (MCU built-in EEPROM storage unit) the control accuracy of 0.1 ℃; hysteresis 0.1 from the set, you can control the decimal (0.1-15.0). Specification Thermostat range: -50 ~ 110 ℃; Resolution: 0.1 ℃ between -9.9 ~ 99.9 ℃;  1℃ at other range; Temperature measurement accuracy: 0.1 ℃; Control accuracy: 0.1 ℃; Backlash accuracy: 0.1 ℃; Refresh rate: 0.5 S; High Temperature Alarm:  0 ~ 110 ℃; Motherboard Power Supply: DC 12V; Output: 1 channel relay output, capacity=10A; Measurement input: NTC (10K 0.5%) Waterproof sensor; Environmental requirements: -10 ℃ ~ 60 ℃, Humidity 20% -85%; Size: 48 * 40mm; Power consumption: Quiescent Current: ≤35MA;Attract current≤65MA; Instruction After wire ,then can supply power to the device, display ambient temperature.Press SET key a time,screen flash the temperature.press key of + – to set the desired temperature. (long-time to press key of + – to get a quick setting). after set the temperature,press SET to confirm and return, ...