1V2 2V1 Self Power Wireless Doorbell 433MHz 350M LP44 Waterproof No Battery 62 Songs Alarm Night Lighte Lectronic Long Distance

Note：The alarm mode is mainly used for the SOS button, and this link package does not include the SOS button [3-IN-1 model] Diamond siren Doorbell:Doorbell model+ Alarm model + Night Light model [Diamond-Brilliant Beyond compare] This product shines like a diamond, showcasing eleganceand luxury. [6 Light Modes ] Flowing lights create a cool and dynamic atmosphere: (1)Colorful Flowing Lights (2)RGB Flowing Lights (3)RGB Breathing Light (4)Colorful Steady Light (5)Always on (Night Light) (6)Red Light Flashing (Alarm) [Wall-Penetrating Signal] Can achieve a transmission distance of up to 350 meters inopen areas; obstacles may reduce the range. [IP44 waterproof Rating] Better waterproof performance with waterproof cover.Working Temperature:-40℃~85°C [Differentiate Front and Back Doors] Each transmitter can be set with a different ringtone, allowingyou to quickly identify the visitor's location. [How many devices can be added?] Anser:Transmitter:10 pcs,Receivers:100 pcs [Battery Life up to 8.4 Years] Ultra-low power consumption, no frequent batteryreplacements needed.Experimental test: Twice a day, 2 seconds each time. [62 Music , up to 110 dB] Meets the volume needs of different users and scenarios. Tip:The volume of each music track varies, 1l0 decibels is themaximum level reached by some tracks, not all. [Power-off Memory] Automatically saves settings after power-off, no need to reset. SKU：MGML101B21 SKU：MGML101B12