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DND Electric Door Bell for Hotel
Product Feature:
1.With Please wait function and Room No. showing
2. Different colors of LED to show DND and Clean up
3. Work with AC power
4. Must install with our bell chime
5. The outdoor panel is Black crystal glass
6. For Hotel, office and Smart home
Technical data:
Voltage: 100~240V  AC50~60Hz
Maximum consumption 5W
Dimension: 160X90X45m