First: The doorbell can work with batteries, The batteries are rechargable, If low power, it will remind you, then you take your phone charger to charge it 24 hours, it is full. The batteries can be used about 1 months to 6 months up to how offen you press it, recomned to use batteries.

Sencod, The doorbell also can be used by AC adapter without batteries. When installing the AC adapter, Please cover the back cover very well, or It can not connect well and wont have power.

Third, It support Cloud Storage, No need any TF card, it save your money!

The Shipment

[1] The Europe is fast deliveried, It takes 10 to 18 days to most of Europe country [2] We usually write down USD15 in the shipping invoice. If you want to write down other value , Please leave message for me on the order. Thanks!

Feature ( V5 is 5 Night LED Leds)

1. The APP is Aiwit 2. It support 4 phones at the same time. 3. V5 is 5 Night Vision LED Leds 4.720P 5. The angel is 166 degree. 6.The wifi is 2.4GHZ 7. It can be used by battery. it is rechargable battery, if low power, it will remind you, then you can use phone charger to charge 24 hours, that is ok. 8. It can be use by AC adapter too.( the EU/UK adapter is input 230V, the US adapter is input 120V. Both output are 18V) 9. The doorbell can connect to more Chimes

Option

The EU UK US plug is for the Chime. The doorbell itself don't have USB cable or Adapter. Option 1: Doorbell+ Chime Option 2: Doorbell + Chime Option 3: Doorbell + 3* Batteries + Chime Option 4: Doorbell +3* Batteries + Chime Option 5: Doorbell + AC Adapter + Chime Option 6: Doorbell + AC Adapter + Chime Option7: Chime Option8: Chime