Display indoor / outdoor temperature and time at the same time Record maximum maximum indoor and outdoor temperature Adopt wireless technology, you can know the outdoor temperature in the indoor receiver. With the hand-held transmitter at the outside temperature of the sensor and transmit within 100 m without obstacle. 12H / 24H format, temperature unit / unit for selection. Can be placed on the table or hung on the wall. Product descriptionThis LCD digital temperature clock which can simultaneously display indoor and outdoor temperature and time, is ideal for home use. It is suitable for layout or wall mounting. Large LCD display, you can easily read the value. Precise measurement to measure indoor and outdoor temperature.Features:Material: ABSThe black colorDisplay: 94 * 54mm LCD screenIndoor temperature measurement range: 0 ~ 50 / 32 ~ 122Outdoor temperature range: -20 ~ 70 / -4 ~ 158Temperature accuracy: 1Indoor temperature detection period: test once 30 secondsOutdoor temperature detection period: test once 57 secondsFunction: time display, indoor / outdoor temperature, / Switchable, 12H / 24H time format, separate transmitterTransmitter battery: 2 * 1.5V AA batteries (not included)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 inTransmitter weight: 47 g / 1.64 ozTemperature Clock Weight: 122g / 4.30ozPackage size: 16 * 14 * 3cm / 6.30 * 5.51 * 1.18inPackage weight: 259g / 9.12ozPackage list:1 * Temperature clock1 * Transmitter1 * User Manual