1.Diameter probe: 8mm, 6mm, 4mm(hard probe) 2.Probe types: soft and hard probe. 3.Working length: 1100mm(soft probe)/170mm-500mm(hard probe) 4.Observation: straight/side. 5.Light: built-in adjustable intensity halogen cold light source. 6.Bend angle turn: two bends: up and down: 90-120 7.Optional configuration: observing the lens/introduced lcd screen Carton
