DC 12V Mini Electronic Alarm Buzzer Constant Tone with Battery Case

Description: Specifications: Rated Voltager: 12V DC Operating Voltage: 8-15V DC Max. Rated Current: 25mA at 12V DC Min. Sound Pressure Level: 75dB at 12VDC/20cm Resonant Frequency: 400100Hz Operating Temperature: -20 #39; #34;~+60 #39; #34; Size: 3.2x1.2x0.9cm/1.26x0.47x0.35 #34; Quantity: 1 Pc Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-3mm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Alarm Buzzer