Operation Voltage ：12V DC (Nominal )，6V DC (Min) – 15V DC (Max.) With reverse polarity protection

Operation Current (at 12V DC)：350mA (Min.) , 400mA (Max)

S.P.L. (at 100cm)： 102 ± 5 dB (at 12V DC)

Tone ：Steady & Warble(three wires)

Continue Operation Test：Over 2 hours (at 12V DC)

Life Test ( at 12V DC)：“ON” 30 seconds, “OFF” 60 seconds, Duty Cycle Continuously over 48 hours period.

Operation Temperature ：-10℃ Min. to 60℃ Max. (10 minutes)

Storage Temperature ：-40℃ Min. to 80℃ Max.

Housing Material (A.B.S.) ：U/L recognized 105℃ (U/L 94HB)