Features:IP65 Grade Waterproof2 Power Supply Modes: AAA or USB Battery, More Stable Internal Temperature Max/MIN. ViewRoom Humidity Max/Min Value ViewUpper temperature and humidity limit limit and lower limit alarmEnvironmental protection pvc suction cup, suction cup can be disassembled at will, can be adsorbed on glass or smooth ceramic plateMain functionsHour, minute, second, temperature, humidity and simulated time are displayed on the same screenTwo alarm clockSnooze function: five minutes by defaultCountdown functionDynamic progress countdown indicatorDynamic countdown seconds indicatorIndoor temperature (range Measurement: 0°C – 50°C/32°F – 122°F); Refresh rateInterval: 30s. Resolution: 0.1 ° c. Room humidity (measuring range: 20% - 99%); Refreshing interval: 30s. Resolution: 1%.Max./Min. Indoor Temperature/Humidity ValuesSet Indoor Temperature/Humidity Limit ValuesSize: 11.8*10.5*4.5cm/4.64*4.13*1.77inchSpecification:Display Type: Indicator+NumberDisplay Type: LCDMesize: 11.8*10.5*3.5cmWaterproof: IP65Power Type: 3*AAA Battery (Supply Not Include Battery)Motion Type: ElectronicScreen Size: 5 inchThickness: 2cmShell Material: PlasticMirror Material: Plastic MirrorDial Material: PlasticSpecial Functions: Decoration, Thermometer, Alarm, Countdown, Backlight, 24-hour Tip, Humidity Meter, WaterproofPackage Included1 * Bathroom Clock1 * USB Cable1 * User Manual,