Wireless Doorbell Elderly/Deaf Men 7 Color Lights Flash Button Door Bell Home Music Doorbell Door Chime Kit with 16 Melodies

Specification: Condition: 100% Brand New 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 calibrate...