product description: The appearance of the door station is similar to the traditional optical cat's eye, and the hidden camera Support 7 days of free cloud storage Power supply: US and European regulations 1 million professional security cameras, 140-degree wide-angle Power supply: supporting 2600mAh rechargeable lithium battery Circular storage, can insert up to 64G memory card Ultra-long standby Minimalist design, easy to operate, plug and play Support door thickness: 35-110MM Door hole diameter: 14-22MM packing list: 1: Outdoor handset*1 2: USB charging cable*1 3: Metal hanging board*1 4: English operation guide*1 Product packaging size and weight: Color box size：150*85*46mm (including color box) total weight:200g