Item Type: Visual Doorbell Material: ABS Processor: Using powerful, high performance programmable media for Hi3518E processor, built in ARM926 at Max.440MHz and high speed video co processor Image Sensor: 1/2.7 inch 1080p progressive scan CMOS sensor Sensor Performance: Support automatic white balance, automatic gain control, automatic backlight compensation Signal To Noise Ratio: ≥39db Lens/Viewing Angle: 2.6mm at F2.0/166° Night Viewing: Automatic switching of dual filters, 6pcs 850nm infrared lamps, night viewing 10 meters IR Control: IR turn on the night viewing function, infrared and ICR automatic detection, IR off the group night viewing function disables the infrared always off, ICR is fixed in the Japanese mode Compression Standard: H.264 Main Profile/H.264 Baselie Profile/MJPEG/IPEG Baselie Video Encoding Processing: 1080P/15fps+720P/15fps+VGA/30fps+QVGA/3Ofps+ 1080P at 1fsIPEG Resolution: 1080P Code Rate: CBR/VBR two code rate control modes and the output code rate range is 128~4096kbps Maximum Frame Rate: 15fps (1080p) Network Protocol: PCPIPTTPTCPOUDP.STP.FP.HCP.DNS.DNSNTP.UPnP.RTSP, P2P, etc. Wireless Network: 802.11b/g/n Video Mode: Motion detection video, doorbell button trigger video, manual video Storage: Memory card storage supports up to 32G Battery: 2 x 18650 polymer lithium batteries (Battery Not Included) Voltage: 5V Weight: Approx. 240g / 8.5oz 1、[Two Way Conversations] Smart doorbell can make high quality two way conversations, and with noise reduction function, so you can use it with confidence. 2、[PIR Motion Detection] Support PIR motion detection, when someone wanders at the door, immediately remind push notification to the mobile phone. 3、[Automatically Switched] The day and night mode is automatically switched, and the screen can be clearly seen no matter it is day or night, to meet your various need. 4、[Support Languages] Support multiple languages, such as simplified Chinese, English, German, French, Spanish, Portuguese, Japanese, Korean, Russian, Italian, Turkish, Dutch, Danish. 5、[Remote Wakeup] Visual doorbell support mobile phone to wake up devices quickly and remotely, widely used in homes, offices, hotels, etc. 1 x Doorbell (Battery Not Included) 5 x Expansion Nail 5 x Screw 1 x Security Screw 1 x Hex Wrench 1 x Double Sided Tape 1 x Manual