This back-up alarm has a compact profile with stud terminal connection.Ecco’s surface-mount alarm provides a low-profile warning alarm. The reinforcednylon housing provides rugged durability and the epoxy-encapsulated circuitboard protects all elements from vibration and moisture. Surface Mount Alarm 97 Decibels 12 Volts 0.1 Amps SAE J994 Type C 2 Year Warranty 97 dB(A):