RioRand Portable 2.8 Inch 12V 800mA Output CCTV Tester LCD Monitor for Photo & Video Recording with 2600mAh High Re-chargerable Li-on Battery (RRCT200) 12V and Max. 1000mA output, may not work well for 1000mAh, so recommend to use 800mAh maximum 2600mAh polymer li-ion battery, 2 hours charging for 3-5 hours working. Without CCD power supply. 2.8" High-brightness LCD Monitor enable to show clear image that fits any place to use. Hand-hold design for professionals. Easy operation without taking off gloves speeds your works. Convenient to check camera condition and correct direction of camera.