Connected doorbell and video door phone -Wireless welcome door bell Highlights generic brand Wireless welcome door bell Description: Welcome mode: when the infrared sensor detects someone, it sends a message to the receiver doorbell, then the doorbell receiver can generate a "Hello, Welcome". Alarm Mode: Can switch to alarm mode at night, the curtain thrower can detect the thief within 8 meters by infrared detecting technology, then send signal to receiver, then send alarm. the alarm sound is up to 113db. Doorbell mode: 36 melodies to choose from, 40mm big horn. Separate Design: The doorbell launcher and receiver can be spaced 280 meters apart. Night Light Mode: The receiver has a led bulb, which has 4 levels of brightness adjustment. Can be served as a night light in the hallway or passage. Wide application: suit for shop, villa, office, restaurant, garage, factory, etc. specification: Material: ABS plastic Launcher: 3xAAA (not included) Receiver: 3xAA (not included) Remote control: 1x12V 27A (not included) Power: 1W Detection distance: 8m Detection angle: 100x15 Working distance: 280m Format audio: MP3 Launcher: Approx. 82x45x74mm / 3.29x1.77x2.91 inch Receiver: Approx. 116x64x26mm/4.57x2.52x1.02inch Rmote Controller: Approx. 60x40x20mm/2.36x1.57x0.79inch Remote left button: Turn on/Switch mode Remote right button: Off Remote middle button: V+/V-, music button Package includes: 1 piece sensor 2 pieces receivers Remote control 1 piece Note: 1.Due to manual measurement, there is a slight color and size difference between the above item and the actual item; 2.Please keep the detector and receiver in sheltered places to avoid contact of the two units form water and direct sunlight; 3. Clean the detective regularly with a damp cloth to avoid the sensor being blocked by dirt or any small;