Dynalite Baja B4 Battery-Powered Monolight, 2.4GHz Power Control Wireless Receiver, 5500 K +/-200 Color Temperature, Up to 550 Full-Power Flashes Dynalite Baja B4 Battery-Powered Monolight - B4-CH Battery Charger - BRR-616 Receiver - RST-165 Standard Umbrella Reflector - B4 Lithium-Ion Battery - PD-101 Clear Protective Cover - PC-301 Protective Cap - Dynalite 1 Year Warranty Universal 100-240 VAC power option 16 channels of wireless control T-mode flash flash duration setting Digital display screen