The wireless thermometer detects temperature every 30 seconds at range of 32~122 for indoors and -58~158 for outdoors. Shows time, date and week in one screen, with Celsius and Fehrenheit switchable, a perfect temeprature gauge for nursery, bedroom, greenhouse, basement, refrigerating chamber, etc. Features: Provides accurate temperature readout every 30 seconds, and show you current time and week. Measurement range of 32~122 for indoors, and -58~158 for outdoors. The effective range of remote sensor is within 100 meters / 328 feet if without any obstacles. Alarm clock. Set a particular time to ring and wake up with temperature display. Unit conversion between Celsius and Fehrenheit is available. Time format can be changed from Hour/Minute/Second to Hour/Minute/Date. Orange backlight. Brightness is adjustable in 4 levels when under DC power supply. Designed with collapsible support, hanging hole and magnet on the back, you can place it at will. Note: *Batteries are not included. Specifications: Material: ABS Color: White Indoor Measurement Range: 0~50 / 32~122 Outdoor Measurement Range: -50~70 / -58~158 Transmission Range: 100 m / 328 ft (without any obstacles) Battery: AAA Alkaline battery * 5pcs (batteries not included) (3pcs for thermometer, 2pcs for remote sensor) Item Size: 11.8*4*4cm / 4.64*1.57*1.57in(remote sensor); 12.8*9*2.3cm / 5.03*3.54*0.9in Item Weight: 134g / 4.72oz(thermometer); 60g / 2.11oz(sensor) Package Size: 14.5*14.5*2cm / 5.7*5.7*0.78in Package Weight: 258g / 9.1oz Packing List: 1 * Thermometer 1 * Remote Sensor