Check the listing for details. OETAI GDS-3011W Photoelectric Switch Contrast Sensor with White Light Source. Condition: New. Listed at 30.39 USD. Description OETAI GDS-3011W Photoelectric Switch Contrast Sensor with White Light Source for Bag Making MachinesFeatures:- High-quality material: The contrast sensor is made of high-quality aluminum alloy, which is durable and has a long service life.- Portable & easy to use: It is easy to install and disassemble. The sensor can be easily put into your pocket or backpack, so you don't have to worry about taking up too much space.- Widely used: The sensor can be used in many occasions, such as home, office, school and so on.- Instrument parts accessories: The sensor can be used to replace the old or damaged one. It can also be used as a replacement for other accessories.Specifications:- Model: GDS-3011W- Light source: white (W)- Light spot: Round 1mm- Detection method: Coaxial reflection type- Detection distance: 10±2mm- Voltage: DC12-30V±10%. Ripple