Features 17mm diameter camera head with 39" (1m) flexible gooseneck cable retains configured shape Four LED lamps with five brightness levels illuminate the viewed object Glare-free close-up field of view with 480 x 234 pixel display Automatically detects NTSC and PAL cameras Complete with rechargeable Lithium battery, and Universal AC adapter/charger with USB cable Specifications Camera Sensor size: ¼" CMOS Sensor pixels: 300,000 Maximum frame rate: 30 FPS Color resolution: 24 Bit Focusing method: Fixed focus 15cm to 25cm (5.9" to 9.8") Gooseneck length: 1m (39") Camera diameter: 17mm (0.66") LCD Display: 2.4" Color LCD Display resolution: 480 (W) X 234 (H) pixels Active area: 48mm x 35.6mm (1.9 x 1.4") Light Source: 4 LEDs Adjustable light intensity: 6 illumination levels Video format: NTSC/PAL (automatic conversion) Power: Rechargeable 1800mAH lithium battery Current consumption: 400mA max. Standby current: 5mA max. Low battery warning: Voltage falls below 3.3V Enviormental Operating Temperature: 32°F ~ 122°F (0°C ~ 50°C) Relative Humidity: 85% max. BR50 is a Video borescope and camera tester with a 17mm camera diameter and 2.4 in. Color TFT LCD Monitor. Can also test installed surveillance cameras for correct target alignment. Applications include: Home inspection: Inspect in walls for mold, insect infestation, electrical wire or water pipe location; HVAC: Inspect inside ducts, behind motors and compressors; Automotive: View inside or around engines and transmissions; Government: Safety and security inspections; Industrial: Inspect weld integrity, process equipment, gears, molding machines; Aerospace: Aircraft inspections for contamination, debris, cracks or other damage. Comes complete with rechargeable Lithium battery, and Universal AC adapter and charger with USB cable.