2.4千兆赫的无线视频门的电话回家的安全

2.4GHz wireless video door phone with 3.5 inch portable TFF LCD monitor. Primary Function: Home or Office Audio and Video Portable Intercom SystemHandheld Receiver Specifications: - Screen - 3.5 inch TFT LCD monitor - On Screen Indicators - Monitor State, Lock/Unlock, Talk, Take a Picture, Increase Volume, Decrease Volume, View Last Picture, View Next Picture, Signal Bar, Battery Bar - Power Source: Internal Battery (3.7V 1350 mAh Rechargeable Li-ion) - Receiving Frequency - 2.4GHz - Wireless transmitting range - approx. 250 meters (ideal conditions) - Onboard Buttons/Indicators - Unlock Door, View Monitor. Talk Button, MIC, LED Indicator, Mini USB Input, Speaker, Volume -/+, Brightness control -/+, Antenna, Power ON/OFF Switch - Dimensions: L:102 x W:134 x H:55 (mm)Entry Guardian Transmitter Specifications: - Camera Sensor - CMOS - Light Source - Six (6) Infrared LED lights - Power Source - AC Adapter (100-240V) 50/60Hz - Transmitting Frequency - 2.4GHz - Wireless receiving range - approx. 250 meters (ideal conditions) - Onboard Buttons/Indicators - Call Button, 6 LED Lights. MIC, Speaker, LED Indicator, Power ON/OFF Switch - Dimensions: L:127 x W:95 x D:36 (mm)Certification: FCC, CE , ROSHProduct Notes: Easy to install and use! The portable receiver charges with the adapter included or through a USB connection to your PC computer Transmitting unit comes with six infrared LED lights to allow seeing who is at your door even in darkness! To view captured photos, press and hold down the photo button for 3 seconds, then navigate photos with the arrow keys