DescriptionWith the handheld transmitter to sensor outdoor temperature and transmit within 100m unobstructed.12H/24H format, temperature unit /unit for selection. Can be placed on the table or hung on the wall.Adopt wireless technology, you can know the outdoor temperature in the indoor receiver.Record the max indoor and outdoor temperature .Display indoor/outdoor temperature and time at the same time.Product DescriptionFeatures:Material: ABSBlack colorDisplay: 94*54mm LCD screenIndoor temperature measurement range: 0~50 / 32~122Outdoor temperature range: -20~70 / -4~158Temperature accuracy: 1Indoor temperature detection period: one time test 30 secondsOutdoor temperature detection period: one time test 57 secondsFunction: time display, indoor / outdoor temperature, / Switchable, format 12H/24H hour meter, separate transmitterTransmitter battery: 2*1.5V AA batteries (not comp rises)Temperature clock Power supply: 2 * 1.5V AAA Batteries (not included)Transmitter size: 130 * 40 * 22mm / 5.12 * 1.57 * 0.87inHygrometer Clock Size: 150 * 86 * 23mm / 5.91 * 3.38 * 0.91 inThis LCD digital temperature clock which can display indoor and outdoor temperature and time simultaneously, is ideal for home use. It is suitable for layout or wall hanging. Large LCD display, you can easily read the value. Accurate measurement for measuring indoor and outdoor temperature.Package List:1 * Temperature Clock1 * User Manual