General description The Sollbry Wireless Indoor Outdoor Thermometer is a versatile temperature measuring device designed for both indoor and outdoor use. It features a wireless transmitter that allows for easy monitoring of outdoor temperatures from indoors, with a transmission range of up to 100 meters without obstacles. The thermometer displays indoor and outdoor temperatures simultaneously, along with the time, and offers a clock function. It can be conveniently placed on a table or hung on a wall. Technical specifications Main unit dimensions: 150 x 86 x 20 mm Sub-unit dimensions: 130 x 40 x 21 mm Indoor temperature detection range: 0°C to 50°C (32°F to 122°F) Outdoor temperature detection range: -30°C to 70°C (-4°F to 158°F) Indoor temperature detection cycle: 30 seconds Outdoor temperature detection cycle: 1 minute Resolution: 1°C/1°F Compatibility and accessories Includes 1 master unit and 1 slave unit Battery not included Installation Can be placed on a table or hung on a wall