Mains doorbells

Features: *Industrial grade flame retardant ABS material, complete material, strong and durable *High-quality components, no short circuit, stable performance, long-term durability *100% new qu more→ality, very suitable for family and office *Easy installation, convenient for your home *Loud volume, clear voice, unique shape, beautiful appearance *Please install doorbell in proper place to avoid rain and sunshine Specifications: *Material: ABS/PC (Plastics) *Color: White (As Pictures Show) *Working temperature: - 10°C~ 80°C *Doorbell decibel: 90dB *Use humidity: less than 80% *Consumption power: 0.01 (W) *Power supply: directly connected to 220V power supply *Dimension:

Features: Pure copper electromagnetic coil with discontinuity and no electromagnetic interference. Strong tapping, stable operation and long service life. Hard metal shell, not easy to deform, the s more→ound reaches 95db, and it is farther and safer. The surface is coated with electroplating technology to make the material more anti-corrosive and less prone to rust and corrosion. Portable wired power supply, easy to install, can be installed on the wall, ceiling and other installation methods. The maximum range is 600-800 square meters. Specifications: Condition: Brand New Color: Red Mater ial: Carbon Steel + Bottom Plastic Size: 6 inches (150mm) Power Mode: External Alarm Volume: 95db Surface …