The RL RL-3918B Wireless Digital Door Chime offers clear, loud sound and easy installation, making it perfect for homes and offices. Using patented energy-saving technology, this door chime operates efficiently with just 3×LR6 batteries lasting up to one year, while the remote control batteries can last up to two years.

Built with interference-resistant digital technology, the RL-3918B ensures reliable performance even in complex environments. Its waterproof remote (IP44 rated) and 80-meter wireless range make it suitable for both indoor and outdoor use. Designed for durability and convenience, this doorbell combines functionality with modern design and efficiency.

Key Features:

• Model: RL-3918B

• Type: Wireless Digital Door Chime

• Working Distance: Over 80 meters

• Remote Control: Waterproof (IP44 approved)

• Technology: Interference-resistant digital signal

• Power Efficiency: 3×LR6 batteries work up to 1 year

• Remote Battery Life: Up to 2 years

• Sound: Loud and clear tone

• Installation: Easy setup, no wiring required

• Application: Home, office, apartment, and shop use