Our Fire Alarm Waterproof Speaker are suitable for indoor and outdoor applications. Provides high audio output and clear audibility. Description Our Fire Alarm Waterproof Speaker are suitable for indoor and outdoor applications. Provides high audio output and clear audibility. Size: 202*120*234mm Power:15-30W Voltage: 70/110V Frequency response:420-6000Hz Loudest pressure level (1m): 118dB Shell material: ABS Weight: 1.45kg Color: white