Easy to set -- The doorbell is Low-power and more environment friendly, don't need wire and plug,you just need 2pcs 3.7V 18650 3000mah Li-ion rechargeable battery,which can make your doorbell last for a half of year.
System security -- P2P wireless technology.password authority management, have a call automatically, and also support PIR detection and 2-Way Audio.
Remote control -- Support IPhone, Android phone(2.2 above mobile phone) and pads long-distance answer doorbell and unlocking.So you can view images and videos an anywhere and anytime.
Motion detection -- If someone passes by your house, the doorbell will give your an alarm message to your phone and record video at the same time.So you can watch him through the doorbell.
Night vision -- the doorbell has 6 IR Leds,day and night can auto-cut.Night visibility up to 15 meters.720P HD sensor can make you watch more celarly.