7 Color Lights Flash Music Doorbell Home Wireless Elderly Deaf Men Door Bell Features: Made of ABS material with 7 color lights flashing, simple and elegant, beautiful color is added to the bedroom. When outside launcher press launchers also have a blue indicater light, the receiver will ring the choice of music, and colorful flash light. Simple, wireless installation, no wires or cables required. 3 Working Modes: 1, Only flash; 2, Only ring; 3, Both ring and flash at the same time. A switch for you to choose what you needs best, easy to operate. Adjustable volume and 16 different tones for your choice, effectively reminds you of the coming of guests or friends. Can be used from 30 to 50 meters, long distance transmission and high strength signal and sensitivity. Strong anti-interference ability, avoid interferences between neighbors. Super flash, very suitable for deaf behind the ears. Specification: Condition: Material: ABS Housing Color: Translucent (As Picture Shown) Working Distance: 30-50m/98.4-164ft Receiver Power Supply: 3 * "AA" battery (Not Included) Transmitter Power Supply: 1 * "AAA" battery (Not Included) Package Weight: Approx. 140g/4.9oz Package List: 1 x Receiver 1 x Transmitter 1 x Double Sided Adhesive Tape Note: 1. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 2. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.