SMATRUL DQ688 Self-powered Wireless Door Bell DoorBell Ring Chime Night Light No Battery Big Panel 2 Receiver 1 Transmit

Features :1: 4 Modes: Sound only, flash only, soundflash, soundlight on.Light on mode can turn into a nightlight2. Memory function: After the power is turned off, remember the music set before. No need to set music again3. Self-powered doorbell that requires no battery,Dont worry if the battery has power, so Dont miss important visitors4. Gorgeous lights, loud ringtones. Especially suitable for the elderly, sluts.Clear sound, no noise, loud sound4 files volume 0-100DB Ringtones: 58 pcs Rated voltage: AC 110~ 240V, 50-60HzSelf powered button and waterproof instructions1.No battery required.Self-powered doorbell that requires no battery,Dont worry if the battery has power, so Wont miss important visitors2.our button waterproof rating is IP44, the general use is no problem, but heavy rain may affect the life expectancy, we recommend the purchase of waterproof cover, so use longer and more secureSpecification :1. Receiving distance: 150M (in open area)2. Volume: 4 files 0-100DB, ringtones: 58 pcs3. Rated voltage: AC 110~ 240V ,50-60Hz4. Working frequency: 433MHz.5. Receiver standby power: 0.5W6. Receiver size: 86X78mm7. Button size: 86x86mmPackage includeds :1 x Transmitter2 x Receiver1 x Installation Kit1 x User ManualDetails pictures :