?Features:
Portable product is able to use in any place and any time.
It is easy to hold and don't need complicated equipment that hinders the inspecting and repairing.
2.8inch high image resolution monitor enable to show clear image， that any place to use.
Full recharge durable 2.5-5 work hours.
Hand-hold design for professionals，easy operation without taking off gloves speeds your works.
Clasp ring at bottom fits to all chains and use in all environments.
It's convenient for user to check camera condition and correct direction of camera ，so to make installation and repairing easier.

Specifications:

Display	TFT Color LCD
Power Out	DC 12V (Offer General Camera Power Directly)
Video In	AV OUT Connector * 1
System	Automatic Inspection
Screen Size	2.8 Inch
Image Resolution	320 * 240
System Format	NTSC/PAL
Status Indicator	2LED(Power IND:Green/Charging IND:Red)
Power In For Recharging	5V
Power Source	18650 Battery (not included)
External Power Source	DC 5V 1.0A Adapter
Size	220mm(L) * 92mm(W) * 41mm(H) / 8.6in(L) * 3.7in(W) * 1.6in(H)
Weight	About 220g / 7.7oz
Package Size	290mm(L) * 150mm(W) * 60mm(H) / 11.4in(L) * 5.9in(W) * 2.3(H)
Package Weight	400g / 14oz

Package Included:
1 * Camera tester
1 * Charger
1 * Power cord DC12V OUTPUT & AV cable(2 in 1)
1 * User manual（English）