无线视频门的电话2.4临液晶显示器的偏远m

Wireless Video Door Phone Features: l Wireless Color Video Door Phone l Mobile Handset with 2.4 TFT-LCD Screen l Unlock doors & gates remotely for visitors l Range in free field 300 meters l 12 Selectable Ring Tones l Handset to Handset Communication (Paging) l Infra Red Camera in outside call station – see callers at night l Expand to a 2-way system by adding a call station & Handset l Rechargeable battery via mini USB interface (Nokia Li-Battery BL-6C can be used for replacement) l Standby status 72 hours l Easy to install l Built-in Surveillance Mode Function l Two installation method :Fixed on the walls /put on the table l Extra cradles to supply for the fixing. Specifications: Item No. CV-WLVDK3224 Transmission Frequency 2.4GHz ISM digital public frequency band: 2402 24853.5MHz Transmission Distance 300m in free fields Door Station(weatherproof ) Image Sensor 1/4” CMOS Min. Illumination 0 Lux (IR on) Power DC 5V/1A Current 20mA 30mA (standby),300m A (operation) Audio Input 12-digits digital audio signal,DAC interface, 8Kbps sampling speed rate Image Compression MJPEG compression Transmission Power 16 20 dBm Ringing tone 12 songs for option Dimension 127mm*95*37mm Weight 150g Monitor Screen 2.4” TFT LCD Effective Pixels 320*240 Power Source DC4.5V/0.8A (rechargeable battery operated) Battery Charging Time For the first time ,it is 7 10 Hours ;Later around 4 hours USB port For battery charge Current 20mA 30mA/3.7V(standby),250mA (Operation) Receiving Sensitivity -90dBm Dimensions 118mm(H)X77mm(W)X19mm(D) Weight 150g