12V Monitoring Horn Speaker, 220V Monitoring Horn Speaker, 12V Waterproof Monitoring Sound Column, 220V Waterproof Monitoring Sound Column, 12V Monitoring Camera Speaker for Long-Distance Transmission, All-Weather Waterproof. Compatible with network monitoring camera audio output to realize voice calling function. Voltage DC12V; Power: 30W; Impedance: 8Ω; Frequency Response: 380-10KHz; Sensitivity: 106dB; Sound Pressure Level: 121dB; Dimensions: 240220x170        Weight: 1.65 kg

Long-distance transmission, all-weather waterproof. Compatible with network camera audio output for voice喊话功能. Voltage: DC12V, Power: 20W, Impedance: 8Ω, Frequency Response: 380-10KHZ, Sensitivity: 106dB, Sound Pressure Level: 150dB, Dimensions: 155 x 120 x 370 (mm)