Wireless Electronic Doorbell Kit Intelligent Welcome Door Bell 300m Remote Control 60 Songs Melodies Waterproof Security Bells

Features: * Long-Distance Transmission: Strong penetration, with a receiving range of up to 300 meters in an open area. (Note: Actual received signal varies depending on the environment and obstacles.) * Anti-interference: Digital circuit design ensures no crosstalk even when multiple units are used, effectively preventing interference between neighbors. * Plug-and-Play: The receiver is installed indoors and ready to use. The transmitter, with its built-in 12V 23A battery, is installed outdoors. Press a button to activate the ringtone indoors, making installation easy. * User-friendly Design: 60 music tracks to choose from, with 5 adjustable volume levels. * Button Identification: Different button signals trigger the host to emit different ringtones, making it easier to identify incoming calls. Specification: Name: Electronic Doorbell Kit Operating Frequency: 433MHz Operating Range: 300M Music Selection: 60 Songs Volume Selection: 5 Levels Receiver Power Supply: 220V Power Supply: Transmitter includes a built-in 12V 23A battery, receiver plugs in Applicable Locations: Homes, commercial residences, office buildings, hospitals, restaurants, factories, etc. Transmitter Dimensions: 75*51*20mm Receiver Dimensions: 95*65*24mm Color: Black Packing included: 1 * Transmitter 1 * Receiver Note: 1. Due to manual measurements and slight color variations, please allow 1-3 cm (0.4-1.18 inches) difference to suit different display settings. 2. Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand.