HydrofarmType: HID Ballast for Horticultural LightingCompatible Lamp: 400 Watt Metal Halide (M59 Type)Input Voltage: Currently wired for 120V (5.0A). Multi-tap capable (208V, 240V, 277V).Condition: Used. Labels are clear. Suitable for damp locations.Compatibility: For use with RD, SG, PRO, GL, GLX series luminaires.Great for indoor gardening and vegetative growth. This is a reliable, heavy-duty magnetic ballast from a trusted brand.
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