Features: *Industrial grade flame retardant ABS material, complete material, strong and durable *High-quality components, no short circuit, stable performance, long-term durability * new quality, 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: - 10C~ 80C *Doorbell decibel: 90dB *Use humidity: less than 80% *Consumption power: 0.01 (W) *Power supply: directly connected to 220V power supply *Dimension: 86*86*35mm (Approx.) Package Contents: 1*Doorbell Note: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.