D1 intelligent doorbell guards the last line of home security. Safely use it under the premise of no destroying the existing door structure, no drilling, no wiring. The product is equipped with 2MP HD camera, clear night vision and mobile phone remote view. Be your home security escort. Main Features: -2MPprofessional security camera with80 degreewide angle -Wire-free installation:with the sticker on the doorbell, easy to paste and easy to install, never worry about the disorderly wire affecting the appearance of your room. It also supports screw installation -Mobile phone remote view:when someone presses the doorbell, the outdoor device will snapshot automatically and send it to the smartphone - Strong penetration and stable signal:WiFi and RF transmission,super penetration, no worry about the signal are too weak. And the transmission distance can reach up to 30m -Anti-disassembly alarm doorcam:in order to prevent being stolen, the outdoor device of doorcam is built anti-disassembly alarm components, the indoor device will alarm when the outdoor device was broken - Photos of each visitor will be freely stored in the Cloud server -Clear night vision:IR-CUT filter auto switch, clearly photograph at dark environment, providing 24 hours house monitoring for your family - Energy-saving technology, low power consumption, 2 AAA batteries can work for about one year - Supports for Android 4.0 or above, iOS 6.0 or above - Please download App "Eye4" from Android market or App store Parameters: - Material: ABS - App: Eye4 - Sensor: 1/4 inch OV CMOS - Camera view angle: 80 degree - Camera: 2.0MP - Photo resolution: 480 x 272 - Photo format: JPEG - Transmission mode: WiFi RF - Transmission distance: 30m - Alarm system: support - Night vision: support - Night vision distance: 2m - IR: 1pcs LED light - IR-CUT: auto switch - Speaker power: 2W - Voltage: 110 - 240V - Operating temperature: 0 - 40 Deg.C - Power: 2 x AAA battery (not included) - Fixed and mounting method: sticker or screw Package weight:0.170 kg Package Size(L x W x H):13.50 x 11.50 x 5.00 cm / 5.31 x 4.53 x 1.97 inches