... resolution image 3,2.2" TFT LCD screen HOT! digital peephole door viewer with lcd screen TEC-PS601A Specifications:Patent design ... : use peephole, wireless, very simple and safe.1. The operation is ... . Weight: about 510 g15. Accessories: Base flange, DIY tightening tool, Peephole, Barrel&Lens.16. Inner-contain: two pcs AA batteries( it ...