Battery capacity: 1020mAh<br><br>Used for replace battery for digital door viewer: <a href="http://list.qoo10.sg/item/DIGITAL-PEEPHOLE-DOOR-VIEWER-INTELLIGENT-CAMERA-DOORBELL-MOTION/438710583">http://list.qoo10.sg/item/DIGITAL-PEEPHOLE-DOOR-VIEWER-INTELLIGENT-CAMERA-DOORBELL-MOTION/438710583<br><br>simple accessory packaging.<br><img src="//gdetail.image-gmkt.com/858/570/836570858/2017/9/fd6e7948-9262-47e1-9165-8aeb062d85da.jpg"><br></a>