Производитель: KONLEN. Применение: Пожар. Размер модели: KLN-JOO9 kit. Usage: alarm siren. Shape: mushroom-shape design. Power supply: AC100-240V. built-in battery: 3.7V/600mAh. Volume: Adjustable 8 levels. wireless frequency: 433mhz. Wireless distance: 1