Item Type: Wall Clock_x000D_ Material: ABS + Silicone_x000D_ _x000D_ Size: Approx. 12 x 10.5 x 4cm/ 4.72 x 4.13 x 1.58in_x000D_ Indoor Temperature (Measurement Range: 0-50/32-122) Refresh Time: 30 Seconds, Resolution: 0.1_x000D_ Indoor Humidity (Measurement Range: 20%~99%) Refresh Time: 30 Seconds, Resolution: 1%_x000D_ The default upper limit of temperature is 50, the lower limit is 0, the upper limit of humidity is 99%, and the lower limit is 20%_x000D_ Power Supply: DC5V or 3 x AAA battery (without battery)_x000D_ Weight: Approx. 304g/10.72oz 1Suction Cup Design: Ingenious application of suction cup design, can be adsorbed on glass or smooth wall at will, easy to use. 2Timer Alarm: The scientific bath time can be set according to personal needs, and the BIBIBI intermittent alarm will be issued when the countdown is reached. 3Flexible Installation: The power hole is equipped with a waterproof silicone plug, which can be hung, stand, and sucked. 4Waterproof: Convenient touch buttons on the top. Closed shape design, strong airtightness, waterproof grade up to IP65. 5Wide Application: Multi?scenario application, real?time monitoring of indoor temperature and humidity, silent operation, giving you a warm and comfortable home 1 x Temperature Alarm 1 x Manual 1 x Suction Cup 1 x USB Cable The temperature range is 10%?99%. If it is not in the range, HH will be displayed, which is not a quality problem.