YSONG 4 Stack Super Bright LED Industrial Signal Tower Light Andon Lights with No Sound or Sound，Flash Light or Steady-on Light, Self Locking Switch for Factory Warehouse Indoor

Stack Light Feature: 4 Stack LED andon tower lights, default self locking switch settings: no buzzer, red flash or steady-on /yellow flash or steady-on/green flash or steady-on/blue flash or steady-on, LED beads, 5.3Inch pole, 2 hole L-bracket,  Industrial self locking swithes control box Self Locking Switch Design: Andon lights adopts self-locking switch design, press different color buttons, and the corresponding color of the tower Lamp will be strobe light or steady-on light High Quality Material: this stack lights is made of high quality, durable and wear resistant ABS material.  this PS-lamp cover has a perfect quality of light transmission. Direct light structure tower llight, effective astigmatism Light Source: LED lamp beads on each layer, rated IP65 against dust and moisture, No built-in buzzer(If you need the stack light with buzzer, steady on, you can contact us!  We company support customization!). Widely Used: This is a very efficient visual communication tool, Helps impro