World Wide Input Voltage 100-240VAC 50/60Hz OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection) UpBright New Global 18V AC / DC Adapter Compatible with Altec Lansing RockBox XL IMW999 IMW999-STL IMW999-SJR IMW999STL IMW999SJR 1MW999 Rugged IP67 Waterproof Bluetooth Boombox Portable Wireless Speaker MID# 2390819 2390520 Compatible with: Altec Lansing 18V 2500mA Model: JT012-1802500 JT0121802500 DC18V 2.5A 18.0V 2.50A 18 Volt 2.5 A 18 Volts 2500 mA 18VDC 2500 mA 18.0VDC 18 V 18.0 VDC Class 2 Switching Power Supply Cord Cable PS Battery Charger Mains PSU Compatible with listing item: Altec Lansing ROCKBOX XL Wireless Bluetooth Speaker, Portable Waterproof Speaker with 20 Hour Playtime and 5 Illuminating LED Light Modes, Floating Wireless Speaker for Indoors and Outdoors / B08NLJ46FT Compatible with listing item: Altec Lansing x Realtree ROCKBOX XL Wireless Bluetooth Speaker, Portable Waterproof Speaker with 20 Hour Playtime and 5 Illuminating LED Light Modes, Floating Speaker for Indoors and Outdoors Tested Units. In Great Working Condition. UpBright 30 days Refund. 24 Months Exchange UpBright New Global 18V AC / DC Adapter Compatible with Altec Lansing RockBox XL IMW999 IMW999-STL IMW999-SJR IMW999STL IMW999SJR 1MW999 Rugged IP67 Waterproof Bluetooth Boombox Portable Wireless Speaker MID# 2390819 2390520 DC18V 2.5A 18.0V 2.50A 18 Volt 2.5 A 18 Volts 2500 mA 18VDC 2500 mA 18.0VDC 18 V 18.0 VDC Class 2 Switching Power Supply Cord Cable PS Battery Charger Mains PSU CECCCROHS 100-240