Supply of Infrared Anti Collision Device Having One Emitter Module & One Reflector To Avoid Collision Of 2 Cranes With Th E Following Specification: 1.Working Principle - Retro Reflective Infrared Waves. 2.Supply Voltage: 110/230V Ac. 3.Sensitivity Adjustment: 25-100%. 4.Output Contact Rating: 5 Amps. 5.Max Distance Of Sensing: 3-10 Meters To Infra Red Acd Model Of Speed -O- Control Make Or Similar. Warranty Period: 30 Months After The Date Of Delivery