... use 2,High-resolution image 3,2.2" TFT LCD screen 4,house safe viewer Newest wholesale door peephole viewer with 2.2ch ... not be twisted or distorted.5. Users are not limited: even the old with poor eyesight or the little ... widely) (the thickness of door:3.5-5.7 centimetre) (1.38-2.24inches) Model-14mm uvdicon (used for ... pet, the visual angle of screen: up to down is 65 degree, and right to left is 75 ...