Both the center column and spreader are integrated
Closure: 2 Case Latch & Backpack Zipper
metal zipper pulls facilitate opening and closing
panel-mount momentary switch with an illuminated red LED ring
The back is neutral white
VISHAY TCST1230 Transmissive Photo Interrupter, Phototransistor, Through Hole, 2.8 mm, 0.5 mm, 60 mA, 6 V Belkin BP112230-08 Both the center column andThis is a Transmissive Photo Interrupter, Phototransistor, Through Hole, 2. 8 mm, 0. 5 mm, 60 mA, 6 V product from VISHAY with the model number TCST1230Product details Gap Width 2. 8mm Forward Voltage 1. 25V Sensor Output Phototransistor Sensor Mounting Through Hole Forward Current If 60mA Automotive Qualification Standard Product Range TCST1230 Aperture Width 0. 5mm Reverse Voltage Vr 6V Other details Brand VISHAY Part Number TCST1230 Quantity Each