ATO stack lights, consists of detachable modules, easy to disassemble and assemble With buzzer module 90dB for audible and visual alarm. ATO light tower, waterproof ; Heat resistant ; High quality material The warning light has 5 colors. Its shell is made of polycarbonate material, with clear color, good light transmittance, no fading, no wear ATO tower light, Great for operator stations, material request, call lights, machine monitoring and more. Warehouse use for workstations, inventory replenishment systems UPC 783902769151 ASIN B08BBTTMLK Color Blue,Green,White Shape Cylindrical Voltage 24 Volts (DC) Brand Name ATO Style Name Modern Finish Types Polycarbonate Manufacturer ATO Power Source Corded Electric Material Type Polycarbonate (PC) Mounting Type Table Mount Shade Material polycarbonate,polycarbonatematerial Light Source Type Light Emitting Diode Number of Light Sources 5 Manufacturer Part Number ATO-STKL-2 Light Source Special Features Flashing, Sound Activation