Key Feature£º  * Portable tester with3.5 inch TFT display(video input and out put)  * Auto identity NTSC/PAL  * Power-saving mode can display in a standby state  * Small appearance, highly integrated and practical  * Audio test function, built-in 0.5 speaker, support for audio input / output  * Support DC12V output, charging for camera.  * Built-in rechargeable battery DC3.7V/2200mAh, Automatic charging function  * Power supply: Battery-powered, computer USB port power supply, DC5V/2Aadapter power supply  * Particularly suitable for project installation of the camera effects, the lens range, the lens view angle, etc. adjust positioning, saves time and effort, convenience 
Battery features: 
 Standard Capacity: 2200mAh  Standard Voltage: 3.7V  Maximum charge voltage: 4.25V 
Specification 
 
 |  
| input voltage | 
5V¡À10% 2A(electric current) |  
| battery | 
DC3.7V£¨2200mAh£©(Rechargeable lithium battery) |  
| Video signal formats | 
NTSC/PAL(auto-identity) |  
| Video output mode | 
1.0Vp-p(Full) |  
| louder speaker | 
8¦¸/0.5w |  
| charge time | 
5-6hours |  
| power output | 
12V/350mA |  
| working temperature | 
-20¡æ¡«+60¡æ |  
| Packing dimension | 
L185mm*W145mm*H80mm |  
| Weight | 
N.W: 163g G.W: 595g |   
External Dimension:     |