Name: Table-type Wireless Color Video Door phone Model: PST-WVD201 Description: Flexible to move the indoor phones to any place in the house; Auto release by indoor phone or remote controller; Convenient to monitor and two way talking; 4 message channels for option; Digital auto control supplies reliable anti-interference signal; Infrared high resolution image display; 32 sheets images memory(Optional) Parameters: Outdoor Station: Sensitive Chip: 1/4" Color CMOS Analytical Degree: 380TVL Transmitter/Receiver Frequency: Audio200.05/210.09/220.07/220.00MHz;Video2414/2432/2450/2468MHz Transmitter Power: 17dbm Lenz: F=3.6 about 70degree angle Power: DC12V Power Consumption: <3.0W Working Temperature Range: -20-55degreeC Working Humidity: 85%RH Max. Size: 15cm*12cm*3cm Weight: 295G Indoor Station: Display screen: 3.5" color Analytical Degree: 400TVL Transmitter/Receiver Frequency: Audio200.09/210.15/220.07/220.10MHz;Video2414/2432/2450/2468MHz Power: DC15V Power Consumption: <7.5W Working Temperature Range: -20-55degreeC Working Humidity: 85%RH Max. Size: 21cm*20cm*13cm Weight: 890G