Sentinel Site Safety LED Light, Red/Green, 158x42x52mm, 12-40v Code: 9551 (0) No Reviews yet Quantity discounts available QuantityPrice Details Sentinel site safety LED light to warn others on site of machinery in operation by using red/green light.Red and green LED lightsGree... Details Back DetailsSentinel site safety LED light to warn others on site of machinery in operation by using red/green light.Red and green LED lightsGreen light - Safe to approach machineRed light - Warning! Machine in use158mm long x 42mm deep x 52mm high12-40 volts Quantity -+ Add to cart share