General description The Flash Doorbell features a wireless design with a transmitter and two receivers, making it ideal for home and office use. It is particularly suitable for the elderly and hearing impaired, providing both auditory and visual alerts. When the button is pressed, the receiver plays pleasant music while flashing in seven bright colors, ensuring that notifications are not missed, even at night. Technical specifications Transmitter: 1 Receivers: 2 Volume levels: 4 adjustable levels Effective range: Up to 150 square meters Power source: 7 AA batteries (3 for each receiver, 1 for the transmitter) Battery life: 3-5 months Low power consumption design Installation Easy installation with high-quality double-sided tape Alternative installation option using screws No wall damage during installation Usage This doorbell is perfect for ensuring that visitors are noticed, regardless of the size of the house. Its bright lights and adjustable volume make it convenient for various