This alarm is easy to use, plug and play. Accurate measurement, alarm immediately after reaching alarm temperature, with alarm bell.Features:High decibel alarm.LEDs sound and light integrated.When the alarm temperature is exceeded, press any key on the thermostat to exit, effectively remove the continued alarm trouble.Large screen displays real-time temperature, high and low temperature alarm, upper/lower limit setting.This temperature control alarm uses M6 screw hole, easy installation.The power supply end adopts 2 inserted 1-meter wire, while the temperature sensing wire adopts 1.5-meter high temperature wire.Specifications:Item type: Temperature AlarmTemperature control range: -5-300 degreeTemperature control accuracy: 0.1 degreeScreen color: Red/Blue/GreenOutput capacity: 10A relaySensor: 1M NTC probe line B3435 10KWorking voltage: 110-220VPackage weight: 735g/1.62poundsPackage size: 230 x 115 x 94mm/9.05 x 4.52 x 3.7inchesPackage list:1 x Alarm1 x High temperature probe wire(1.5M) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin