Versatile and small in size has video intercom, photo taking, video, night vision, PIR and other functions to make your life more convenient IP5 WATERPROOF & amp; ENERGY SAVING IP5 dust and water proof; You don't have to worry about the battery life is too short because the 18650 battery (full charge can support 1-2 months of use), more secure fully charge the device before use WIDE ANGLE VIEWING HD & amp; 166 Wireless Video Doorbell Real-time HD view with a wide viewing angle lets you never miss a visitor Sends a message as soon as motion is detected day or night The mode of vision night time will be switched automatically Equipped with a night light receiver & nbsp; Video doorbell is intelligent PIR motion detection: sends alerts as soon as movement is detected or when visitors press the doorbell & nbsp; ringtones so you don't miss any visitors Have human induction function, can be used as a night light at night, to avoid collision