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| Customization: | Available |
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| After-sales Service: | Technical Support |
| Warranty: | 3 Years |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Material | stainless steel |
| Back light color | Blue, green, red, white (You can choose other color if need. Need extra cost) |
| Function | logo, room NO., no disturb, clean, check-in, doorbell |
| Voltage | DC5V/ DC12V/ AC110V/ AC220V |
| Power consumption | backlight display 0.4W |
| Diameter | 300*100*28mm |
| Installation | 86 box |
| Connection | Wired connection. |





