Transmission distance: HDCVI 720P: 400m/1080p: 250m; HDTVI 720p/1080p: 250m; AHD 720P: 350m/1080P: 200m, Power Transmission up to 100m, It Support Power Supply on 12V DC or 24V AC, Built-in Surge&Transient Protection, Super Interference Rejection, LED Indicate Whether Working (Green Light) or not Working (Yellow Light).