Display indoor or 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 or 24H format, temperature unit or 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 x 54mm LCD screenIndoor temperature measurement range: 0 - 50 or 32 - 122Outdoor temperature range: -20 - 70 or -4 - 158Temperature accuracy: 1Indoor temperature detection period: test once 30 secondsOutdoor temperature detection period: test once 57 secondsFunction: time display, indoor or outdoor temperature, or Switchable, 12H or 24H time format, separate transmitterTransmitter battery: 2 x 1.5V AA batteries (not included)Temperature clock Power supply: 2 x 1.5V AAA Batteries (not included)Transmitter size: 130 x 40 x 22mm or 5.12 x 1.57 x 0.87inHygrometer Clock size: 150 x 86 x 23mm or 5.91 x 3.38 x 0.91 inTransmitter weight: 47 g or 1.64 ozTemperature Clock Weight: 122g or 4.30ozPackage size: 16 x 14 x 3cm or 6.30 x 5.51 x 1.18inPackage weight: 259g or 9.12ozPackage list:1 x Temperature clock1 x Transmitter1 x User Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.