http://www.eyespychina.com/productsshow.php?id=72
feature:

Allows for easy visual inspections in hard to reach areas.
Mini water-proof camera with 1m(3") flexible extended tube
Night Vision Range:1.5m
Waterproof Level: IP67 with Underwater
2.5" TFT-LCD wireless monitor with rechargeable Li-battery
Lightweight, handhold design for easily find, diagnosesolve problems
3 useful accessories includes: hook, mirrormagnet

Diagrammatic :


Specification

Camera specifications:
Image Sensor: CMOS
Total Pixels: 704*576 (PAL); 712*486(NTSC)
Horizontal View Angle: 50 degree
Transmission Frequency: 2468MHz
Minimum Illumination: 0 Lux
Modulation Type: FM
Bandwidth: 25MHz
Power Supply: 4 x AA
Dimensions (W x D x H): 186 x 145 x 41(mm) (Exclude Flexible Tube)
Weight(about): 530g

Monitor parameters:
LCD Screen Type:2.36" TFT-LCD
Effective Pixels: 480 * 240
Video System: PAL/NTSC
Transmission Frequency: 2468MHz
Consumption Current (Max): 450mA
Video Output Level:

0.9-1.3VP-P@75ohm
Dimensions (W x D x H): 100 x 70x 30(mm)
Weight(About): 140g

Operating Temperature: -10 to +50 C/+14 to +122 F
Operating Humidity (Max.): 15 to 85%RH