These flush-mount alarms fit into any 40 series round hole and require no tools for installation. They utilize industry standard grommets and pigtails. The alarms are well-suited for applications requiring a compact profile. Weight: 12 oz. (341 g) 4028 is U.L recognized for electric vehicles and forklifts. Preco offers a complete line of alarms with various sound levels and operating voltages to meet your alarm requirements on a broadrange of equipment and work environment noise levels. The back-up alarm selected should have a sound level that is audible above the surrounding noise level.
Amps	Volts	Volume	Type	Approval	SAE Class	Temperature Range
0.2	12-24 VDC	Single - 102db's	Speaker	CE, R10	Type F	-40F to +185F