MaxLLTo&trade; 6ft 9V AC DC Power Adaptor For Roland Boss DB-90 DB90 Metronome Dr Beat Wall Charger Supply Cord Power Supply Adapter 9V, MaxLLTo AC 100-240V to DC 9V Transformers, 1 Amp, 2.1mm X 5.5mm Charger Cord for Roland Boss DB-90 DB90 Metronome Dr Beat Wall Charger Supply Cord - Black, 6FT Long Cable COMPATIBLE MODELS - This switching power supply charger with 2.1mm x 5.5mm connector fits for most device models. Compatiable for Roland Boss DB-90 DB90 Metronome Dr Beat CONCISE DESIGN & EXTENDED LONG CORD - Tranditional design, maded it very easy to use,plug and play. It's light in weight-about 3 ounces and can carry around. Our cables can be extended up to 6 FEET while others' seller only have 3-4 Feet SAFETY-SHORT CIRCUIT PROTECTION- This AC home wall charger adapter with smart IC circuit inside and LED light indicator for preventing overcharging and for short circuit protection ITEM SPECIFICS - Qty: 1; Length: 6ft; Color: Black; Weight: About 3 ounces; Input: 100v - 240v 50/60Hz; Output: 1A max( i.e. 1000mA max); Operating temperature:Less than 70 degrees centigrade; UL Listed