Integrated Digital Smart Wireless Doorbell Temperature Humidity Clock Door Chime

• Display time, temperature and humidity • Fahrenheit and Celsius conversion •With 4 adjustable volume levels ranging from 0 to 100 dB • Long-distance ensures you hear and answer the doorbell in time •Easy to set up, just plug the mini receiver into a socket and fix the transmitter on a wall • A perfect wireless doorbell kit for home, apartment, villas, office, hotel, factory, and more Specification: • Product: Wireless self-powered doorbell • Material: Mirror material • Type: 1 transmitter + 1 receiver • Waterproof rating: IP44 • Working temperature: 0°C to 99°C • Working humidity: 0% to 99% • Working frequency: 433.92MHZ+ 75KHZ • Receiver voltage: 100- 260V/50- 60HZ • Transmitter battery: no battery required • Ringtones: 38 songs, learning code, DIY • Volume: 0-100 decibels, 4 levels adjustable How To Use: • 1. Song selection button: press the button once to play, press again to play the next song. • 2. Volume button: maximum volume after power on. Press once to select mid-range, press again to decrease the volume, and press again to mute. • 3. Time setting key: Long press for 3 seconds to enter the time adjustment mode, short press the setting number, the interval between two seconds is the jump interval, after 3 seconds, do not perform any operation to exit the automatic setting. • 4. Key cycle: switch between Fahrenheit temperature and Celsius temperature. • 5. Method code: Long press the volume button, then press the transmitter. Package included: •1 x Transmitter •1 x Receiver