Multi-Unit Charger, Product Type Multi-Unit Charger, Compatible Radio Type Handheld, Compatible Radio Brand Ritron, Compatible Radio Series JMX, Compatible Radio Manufacturer Model Number JMX141D, JMX146D, JMX441D, JMX446D, Compatible Radio Grainger Model Number 4RB61, 4RB62, 4RB57, 4RB58, 4RB59, 4RB67, Number of Radios Charged 4, Number of Batteries Charged 4, Voltage 110 V AC, Minimum Recharge Time 5 hr, Maximum Recharge Time 16 hr, Number of Chargers Included 4, Includes Tray and Power Supply