The SM2+ power adaptor is suitable for use with the SM2+ Terrestrial Acoustic or the SM2BAT+ Ultrasonic package. The power adaptor includes cables and voltage regulator with reverse current protection, housed in a weaterproof box. It can be used to connect 6/12V DC batteries to the SM2+ for extended deployment times. Outputs 5V DC to SM2+. Increases power consumption by only 7 mA.