CHUANGO Smart DoorBell & Chime

CHUANGO SMART DOORBELL CHIME Chuango Smart Video Doorbellá Chime Kit is wire-free, easy to install and for outdoor use. Uses 3 AA batteries. Bell chimes and notification sent to your smartphone, enabling you to see and speak with them no matter where you are. SpecificationsDoorbell Power supply:AA 1.5V Alkaline batteries x3 pcs Image sensor:1/4-inch,1-megapixel CMOS sensor Video quality:1280x720 Field of view:80 degrees Night vision motion detection:No Wi-Fi:802.11 b/g/n (2.4G) Security:128-bit AES with TLS/SSL Operation temperature:Temperature: -10 ℃ to 50 ℃, humidity:<90% RH (non-condensing) Dimensions:147 x 40 x 35 mm (L x W x H) Wireless Chime Power supply:110-240V AC Radio frequency:868MHz or 915MHz Operating condition:Temperature: 0 ℃ to 50 ℃, humidity:<80% RH (non-condensing) Dimensions:90 x 90 x 36 (no include the plug part)