Optional accessory for the following Secure alarm monitor models: WAM-1R, SUA-120, SMA-120. Class 2 Power Supply. Input: 120V AC 60 Hz. Output: 6V DC 300 mA. UL Listed. This power adapter is compatible with bed and chair alarm monitors for elderly fall and wandering prevention. Optional power accessory for the following Secure fall alarm monitor models: WAM-1, SUA-120, SVA-2Y, SMA-120 Class 2 Power Supply – Input: 120V AC 60 Hz Output: 6V DC 300 mA One Year Warranty UL Listed