Safety: Our Products are CE / FCC / RoHS certified, tested by the manufacturer to match and / or exceed the OEM specifications. OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection) This Adapter is new replacement, not original Compatiblity: AC/DC Adapter Replacement for SLR-2120 NSR-2124 Bayco Nightstick Rechargeable Under Hood Work Light Power Supply Cord Battery Charger Mains PSU Note:please make sure the model of your device before buying Accessory USA AC/DC Adapter Replacement for SLR-2120 NSR-2124 Bayco Nightstick Rechargeable Under Hood Work Light Power Supply Cord Battery Charger Mains PSU