Multi-Unit Adapter, Product Type Multi-Unit Adapter, Compatible Radio Type Handheld, Compatible Radio Brand Kenwood, Compatible Radio Series TK-3230, Compatible Radio Manufacturer Model Number TK-3230, TK-3230DX, Compatible Radio Grainger Model Number 4KYC7, Number of Radios Charged 6, Number of Batteries Charged 6, Voltage 120 V AC, Minimum Recharge Time 2 1/2 hr, Maximum Recharge Time 2 1/2 hr, Number of Chargers Included 0, Overall Height 5 in, Material Metal, Plastic, Overall Length 8 in