Place of Origin: Guangdong, China (Mainland). Sound volume: 120dB. Material: fire-proof material: ABS. advantage: valid for both outdoor and indoor. battery: Rechargeable built-in batt. Применение: Другой. Производитель:
Производитель: ZC. Размер модели: ZC-PTGSM017. Применение: Другой. Warranty: 2 years. GSM frequency: 850/900/1800/1900Mhz. Place of Origin: Guangdong, China (Mainland). Wireless sensor frequency: 433MHZ or 315 MHZ.