Feature:1. Portable and easy to install, with small size, convenient to use and with good performance.2. The air outlet is fixed by a clip, which can be clamped on the air outlet fan blade, air conditioner socket or sun visor.3. With backlight button, press it to light for about 5 seconds, even in dark places can be seen clearly.4. Electronic clock and thermometer 2 in 1, which can meet your many needs.5. Strict quality control and quality assurance, high factor, can be used with peace of mind.Specification:Item Type: 2 In 1 Electronic Clock Thermometer Material: PlasticSize: Approx. 8.3 x 1.8 x 1.8cm / 3.3 x 0.7 x 0.7inBattery Type: 2 x button batteries (without batteries)Battery Model: LR44Time Setting: Time setting electronic clock has A/B setting buttonClock Settings: Press the A key for three seconds to enter the setting of the hour, press the B key to adjust the value, and then press the A key to set the minute (the minute is adjusted to 0 when the second is fast), and then press the A key to confirm and exit;When adjusting the value, press and hold the B button to increase the speed, and the setting time exceeds 60 seconds without any key press will automatically confirm and exit the settingTemperature Function: Automatic Temperature Measurement Range: -20℃-50℃Accuracy: ±1%Size: Approx. 8.3cm / 3.3in1.8cm / 0.7in Package List:1 x Electronic Clock Thermometer 1 x Transparent Clip 1 x Black Accessories1 x User Manual