Model Number: M8-A31-#4071 Brand Name: Linkwil Key Specifications/Special Features: LinkBell-smart video doorbell 100% wireless set up Low power, can work 6 months with one full charge Fast response, about 3s even in sleep mode Remote wake-up enable, keep watching any time Two way audio without noise 720p HD video, compress with H.264, low band width cost Super wide view angle up to 180 degrees Night vision Waterproof

Wi-Fi	Wireless standard	IEEE 802.11b/g/n
	Mode	STA and AP supported
	Wireless security	WEP, WPA, WPA2 Encryption
Power	Battery	embedded 4000mAh Li Battery
	Charge	5V DC/2.0A
	Power Consumption	typically 2mW in sleep mode and 1W when wake up
Environment	Operating Temperature	-10 to 55°C
	Operate humidity	20-85% non-condensing
	Storage Temperature	-20 to 60°
	Storage humidity	0-90% non-condensing
Requirements	Android	Android 4.2 or higher, support phone and pad
	iOS	iOS 8.0 or higher, support phone and pad
Packing Certification Warranty	Device size	155*75*29mm
	Device weight	500g/piece
	Packing size	170*150*50mm
	Carton size	170*150*50mm, 30 pieces/packing
	CE, FCC, RoHS Directive-compliant
	limited 1 years warranty