Rated voltage:                     24V DC

Operating voltage range:       18~32 V DC

Current consumption:           20 ~ 80mA

S.P.L (1m/24V):                  90 ± 10dB

Frequency range:                500 ± 150Hz

Operating cycle (cycle/m):    85 ± 25

Life cycles (at 1s On 4s Off): 72000 cycles

Operating temperature:        -20~+70 ℃