Wireless Door Bell Waterproof Self Generating High Volume Music Door Bell for Home US Plug

Feature: 1. Thoughtful Design: This product has two doorbells that can be used for the front and rear doors, and can set a separate corresponding music ringtones, this is a wireless doorbell without wiring which is more beautiful and neat. 2. Long Range: This wireless doorbell has a strong penetrating power, the signal can penetrate 3?4 walls, in the open areas up to 150 meters. 3. Power System: This doorbell doesn"t need any battery, you don"t have to worry about when the battery will run out, it is a wireless that built in self generating door bell. 4. Multifunctional: The wireless doorbell has a clear sound quality and a total of 38 doorbell music can be switched at will, including classic doorbell sounds and other musical ringtones. 5. Reliable Material: This wireless doorbell is made of ABS material, which is hard and durable, waterproof and wear resistant. 6. Suitable Occasion: Great for large homes, apartments, offices, classroom, villas, hotels, warehouses, townhomes, small businesses. Specification: Item Type: Wireless Door BellMaterial: ABSUsage: Can be used for families, villas, hotels, factories, the elderly, the sick, pregnant women one touch callDoorbell Parameters: Power Supply: Self Generating Transmission Distance: more than 150m without occlusion Rf Frequency: 433MHz Receiver Parameter: Ringtone: 38 (4 gears adjustable) Ring Tone Volume: more than 50dB/1m . Package List: 2 x Door Bells2 x Receiver2 x Stickers1x Specification Note: Please follow the use of voltage for power supply, the use of other voltage is easy to cause fire and product damage!