Q1: How about transmission range between mobile device and your smart door peephole?
A:Signal can be transmitted between 2 devices at any place where network is accessable.
Q2. Where to download APP software?
A:For Android devices, please can QR code on color box and install APP; or search "Acebell" in Google Play and install APP.For
iPhone or iPad, please search "Acebell" in APP Store and download iOs APP; or scan QR code on color box and download iOs APP.
Q3. How to operate your Wifi door viewer?
A:We have detailed user manual in English; you can also consult our sales staff.
Q4. Is testing sample is available before order?
A:Yes, sample can be sent for your evaluation.
Q5. How about warranty of your item?
A:Our offer 2-year warranty; free maintenance to all defective items within this period.
Q6. Do you provide OEM service?
A:Yes, OEM service is available. Packing, logo, APP interface, etc can be custom-made on this item.