M518 Multi-functional Doorbell Button Wireless SOS Emergency Button 433MHz Alarm Accessories For Home Alarm System
sku: 32946910340
ACCORDING TO OUR RECORDS THIS PRODUCT IS NOT AVAILABLE NOW
$8.79
Shipping from: China
Technical Details
| Adjustable volume: | 5 levels |
| Alarm: | No |
| Brand Name: | SECRUI |
| Communication Interface: | Wireless |
| Display: | None |
| Doorbell Button: | Self-generated |
| Feature: | None |
| Feature: | Doorbell no need battery |
| Feature: | Colorful light flashing |
| Feature: | Wireless doorbell |
| Item type: | Wireless Doorbell |
| Itercom: | No |
| Power: | Electric Supply |
| Receiving distance: | 100m(open area) |
| Ringtones option: | 52 |
| Wireless transmission frequency: | 433 MHz |
| Working Temperature: | -10 to 50 degrees centigrade |
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