Specification :

Brief introduction and application
1. Voltage adaptability of alarm: under 85% ~ 110% of nominal voltage, the alarm sounds clearly and continuously
2. Working under rated voltage, the acoustic pressure level of alarm is e85dB( A)
3. Temperature: -10 ~ 50 
4. Relative temperature: d95% ( at 25 )
Rated voltage: DC24/ DC12
Max working current( A) : 0.018
Power( W) : d3
Dimension d× h( mm) : 150× 50
Size in English system: 6"
Packing
Pcs/ ctn: 15
Size( cm) : 53× 36× 20.5
G.W( kg) : 15.00