Description of the object Cooling device Green backlight display Refrigeration heating optional Display temperature # or F Display target temperature # or # Switch degrees Celsius/degrees Fahrenheit Set target temperature at any time Automatically turn on/off heating or refrigeration equipment to save electricity charges Remote on/off function Automatic configuration code Low Power warning Low temperature/high temperature alarm Memory setting OTS 100 temperature remote control: Transmission frequency: 433.92MHz Current temperature. Range: 0C ~ 70# or 32 F ~ 158 F Target temperature. Range: 0# ~ 70# or 32 F ~ 158 F Temperature resolution: 1# or 1F Press the left/right button every time: 1# or 1F 2PCs * 1.5vaaa battery(Not included) Wall-mounted bracket and desktop bracket Green backlight Heating and cooling modes are optional Plug-in socket: Voltage: 230V/50Hz, 120V/60Hz Maximum Rating: 3680W,16A Maximum range: 20m in open Area Plug/socket type: UK The package includes 1 x temperature remote controler 1x Plug-in socket 1 x Instruction Manual"