KYTGFH Wireless Doorbell Waterproof, 200M Transmission Distance Self-Powered Doorbell, 36 Music Melody/Smart Flashing Light Reminder/4 Volume Levels, 3 Transmitters 1 Receiver,White

Working range: 200M Music selection: 36 music Volume selection: 4 volume adjustable size Learning code operation: long press the receiver music button for 3-5 seconds, The receiver emits music and flashing light: press the transmitter again, the receiver emits music and flash again, indicating successful pairing Dimensions: Transmitter: 82*46*21MM Receiver: 90*56*20MM Scope of application: family commercial residential areas, office buildings, restaurants, factories, etc. Please try to avoid placing the product in a place exposed to rain, long exposure, and close to metal objects. Proper use of this product can effectively extend the service life. The actual remote control distance will vary depending on the environmental factors used.