Zoom function: 10x zoom, stepless focusing, whatever you want   Low-light super night vision function, no light, no feeling, no heat, no exposure at night   High-strength alloy cat-eye head with 2 million pixels, large viewing angle and wide angle of 155° 6. Battery: 3800 mAh rechargeable battery   Super digital algorithm human body detection sensor, automatic capture of incoming people, automatic analysis of induction   Large and thick hanging board, which can support up to 40mm gate control   A. Indoor unit size: 135x76x12.5mm   B. Outdoor unit size: 62x50mm   C. Door hole range: 16-40mm   D. The thickness range of the door: 35-105mm   E. Camera pixels: 100W, 200W, 500W or other configurations   F. polymer 3800mah 3.7-4.2V   G. Picture and video specifications: 720P, 1080P or others   H. LCD screen size: 3.5 inches   Material:ABS   colour:Black / Rose Gold / Copper      Package Contents:   1 * Indoor Unit   1 * Outdoor Unit   1 * Screw   1 * Stainless Steel Bracket