| SB-1818 Wireless Siren |
| Built-in Siren, Alarm LED, Arm LED |
| Alarm time：60/180 seconds (Optional) |
| Alarm Volume：Adjustable（Ｍax. 110db） |
| Power：DC12V |
| Build-in UPS sustaining 24-36 hours amid power failure |
| Dimension：L260 x W150 x H60 mm |
| Weight：640g（Including charger and rechargeable battery） |