NTI E-BEEP1-P600 Rugged Miniature Piezo Alarm, 103 dB, Powered, 1000 ft Features:

Emits loud continuous tone to deter intruders or alert personnel.
Output level: 95 to 103 dB at 2 feet.
Input voltage: 5-15VDC.
Panel mount.
2-wire interface.
Maximum cable length: 1000 ft (304.8 m).
Epoxy encapsulated and polarity protected.
Water, humidity and vibration resistant.
ASTM B117 and IP 68 rated protection.
Operating temperature: -4 to 149˚F (-20 to 65˚C)
Dimensions (WxD): 1.3x1.15 in (33x29.2 mm).
Includes 12V/1A country-specific power supply.
Regulatory approvals: RoHS, UL.
Available lengths for included 2-wire cable: 1/10/50/100/200/400/600/800/1000 feet.