BYSECUR 4" 5-in-1 wrist cctv tester for cameras up to 8 mp. hdtvi, hdcvi, ahd, cvbs and ip. poe wifi, wrist support. compatible with onvif, 4k, h.265, osd, ptz, rs485, dc12v 3a power output, dc48v poe. working time 8 hours, lcd display, 4" colour touchscreen. 800x480. wifi, rj45 10/100/1000m, utp. audio input. 2400 mah lithium battery. dimensions 126x82x32 mm. weight 320 g