304 Outdoor Siren with Backup Battery Optional
Shenzhen P&H Electronic Co., Ltd.
Region: China
Update: 05/09/2012
Key Specifications
Features:
* External 3mm thick ABS housing
* Internal 0.8mm thick metal cover
* Magnetic dynamic sounder so high as 120DB
* Postive/negative siren and flash trigger
* 2 way tamper switch protection