YAGAIU Wireless Infrared Sensor Doorbell 32 Songs Home Security Audio Sensor

Material: ABS, Silicone Color: White Receiver Operating Voltage: DC3V Transmitter Operating Voltage: 12V Power Supply: 2 x AA batteries (battery not included) Receiver Size: 95x55x25mm/3.7x2.2x1.0inch Transmitter Size: 75x36x20mm/3.0x1.4x0.8inch Applicable Places: Home, Hotel Quantity: 1Pc Features: Easy to install without wiring. At long distances, the space can reach 70-110m. High-frequency vibrating body with strong penetrating power. 32 music ringtones are available. When the music is ringing, the LED lights are flashing at the same time. Package Content: 1 x Doorbell 1 x Receiver Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item.