Professional tool for commercial or occasional use Designed as a user friendly and economical way of solving hidden problems and increasing productivity Uses interchangeable probes and can be connected to probes with different length and diameter. Adjustable LED lights set around the camera head helps the user to see inside dark gaps and holes. -Lightweight hand held design to easily find, diagnose and solve problems SUITABLE FOR A NUMBER OF USES - Checking for internal leaks around chimney flashing - Reading the Model number off a furnace fan motor - Retrieve a screw lost under the refrigerator - Reading the Service tag on hard-to-reach equipment - Inspecting inside of 2" heat exchanger tubes (boiler - Examining AC coils in a residential furnace - Finding Romex installed in a closed wall cavity - Checking Cold Air Return for debris - Checking sink connections in a crowded sink space - Checking the gas connections under an installed stove SPECIFIC SPECIFICATIONS - Camera imaging sensor - 1/4" Colour CMOS sensor - Camera Total Pixels - 510 x 492 (NTSC) - Camera output frame rate - 60 FPS - Camera - optimum image distance - 100mm - Display - 2.5" TFT-LCD - Image head diameter 17mm - Tube diameter - 9.5mm - Tube length - 950mm - Battery - 1.5v AA alkaline battery 4 pieces - Power consumption - Operating temperature -5 degrees - 45 degrees - Operating humidity - Storage temperature -20 degrees - 50 degrees - Storage humidity - relative humidity - Total weight 650 g -Comes in a blow molded case for easy storage and transportation.