Product features: 1. All-metal CNC housing, dust-proof and anti-explosion, good heat dissipation, stable power. 2. High output power, stable output power, long transmission distance. 3. 6 gears of transmit power to switch: PIT/25mW/400mW/800mW/1500mW/2500mW 4. Frequency locking fast, startup without interfering with companions, built-in output power self-checking function; 5. Full-format video format: NTSC/PAL Product : Working voltage: 7-36v Working current: ≤450mA@12V,800mW ≤850mA@12V,2500mW Usage environment: -10~60℃ Weight: 14.5g Dimensions: 36mmx36mmx6.5mm Installation hole distance: 30.5x30.5/M3 Antenna connector: MMCX Video format: NTSC/PAL Output power: PIT/25mW/400mW/800mW/1500mW/2500mW Image transmission protocol: Colour: Black material: metal Package Contents: 1 x 5.8GHz 2.5W 48CH VTX 2 x Connecting cable 1 x Antenna Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.