Speaker
< 2 Vpp; Impedance: 600 Ω; 1-ch built-in speaker
MIC
< 1.2 Vpp; Impedance: 1000 Ω; 1-ch built-in MIC; Connectable to external interface. Supports auto switch
Working Voltage
12 VDC/30 mA
Working Temperature
-10° C to +55° C (+14° F to +131° F)
Working Humidity
10% to 95%
Dimensions
85 × 85 × 26 mm (3.3 × 3.3 × 1.0 inch)