2.4Ghz Wireless video door phone wireless door pho

2.4Ghz Wireless video door phone wireless door phone 2.4Ghz wirelless monitor with 2.5" LCD screen. Built-in lithium battery(4.2V/1400mA). Power supply:DC12V,1500mA. The video format:MJPEG. The available working distance can be 300M. Unlock the electronic-controlled lock. 12kinds of rings for your choice . SIZE: 108*156*46mm 77*134*34mm Power input: In door unit: DC5V-2A / our door unit:DC12V-1.25A Bettery: With builtin charge circuit, 3.7V/1400MA Li-ion Power Consumption: Indoor unit: 1.5W / outdoor unit:3W Frequency: 2402 2483.5MHz Transmission speed: MJPEG format, 10 16 frame/s Useable distance: 300m in the open air Function: Wirless talk, unlock N.W.: 450g+180g(switching power) warrant 12 months Package contents: Model:LM-VDP299 Switching power(one is DC12V/1.25A, the other is DC5V/2A) Battery(3.7V/1400MA Li-ion screw) Screw lot Instruction More video door phone,pls visit website: 007spycamera.com