Features: 0~70 / 32~158 temperature control range. Time, week, temperature range can be programmed in combination. 3 modes: manual mode (always ON/OFF ), thermostat-mode, thermo-timer-mode(up to 4 settings). 2.4GHz wireless auto connection technology. Easy to view LCD screen with green backlight. 12 or 24 hours setting for time format. C-Celsius and F Fahrenheit. DST-daylight saving time selection. Low battery alert icon, appears when the battery should be replaced. Current temperature correction and system reset function. Top safety protection, built-in with its own relay control and fuse protection, and the socket is made of flame retardant PC material. Specifications: Material: PC(flame retardant) Current Temperature: 0~70 / 32~158 Target Temperature: 0~70 / 32~158 Resolution: ±1 / ±1 Transmission Frequency: 433.92 MHz Maximum Range: 20 meters in open area Power Supply: 2 * 1.5V AAA battery (NOT included) Low Temp.: ≤0.0, CURRENT shows LL High Temp.: ≥70.0, CURRENT shows HH Remote Thermostat Control Size: 109 * 60 * 21mm / 4.29 * 2.36 * 0.83in Plug in Socket Size: 113 * 66 * 35mm / 4.45 * 2.60 * 1.38in Item Weight: 192g / 6.79oz Package Weight: 235g / 8.31oz Package Size: 12 * 10 * 7cm / 4.72 * 3.94 * 2.76in Package List: 1 * Remote Thermostat Control 1 * Plug in Socket 1 * Manual (English)