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Function: Professional models, portable design Automatic and manual scan design 2.5 inch TFT color LCD new Support :PAL, NTSC, CCIR, EIA Voice prompts warning Scanning frequency can be displayed on the monitor LCD operation set Dual power supply design (battery or transformer) Model / Specifications WCS-99X Scan Mode Auto / Manual Auto scan 12 seconds / second Manual scan Fine-tuning:1MHz & Shuttle: 10MHz / sec Receiver sensitivity L (-20dBm), ML (-30dBm), M (-40dBm), MH (-50dBm), H (-60dBm) Antenna Omnidirectional (SMA) Screen color / black and white Receiving System PAL & NTSC / CCIR & EIA maximum current consumption Maximum 650mA Battery working time 3 hours (alkaline battery AA/1.5V/4PCS) Power Supply Input : 100 240VAC 50/60Hz 120mA / Output: 5VDC 1A Equipment Weight & Dimensions 120 (L) × 74 (W) × 35 (H) mm (240 g) Equipment and accessories scanner, special antenna × 2CS, Special Transformer