Power Source: Battery Powered Brand: LIGHTAILING Item Weight: 160 grams Voltage: 5 Volts Wattage: 0.03 watts Number of Light Sources: 1 Usage: This light set is for lighting up the Large Crane (LEGO set not included). Product Features: The lights use genuine LEGO parts and are handmade. Includes 1 USB light kit, 1 assembly instruction manual, and 1 battery box. Plug it into an outlet and light it up to enjoy the exquisite design! Note: Prepare 3 AA batteries or use a USB charger (voltage should be 5V or less to prevent fire). Assembly: You can assemble the light set as you like. When installing the LED lights, be careful not to press hard, bend, or shake them. About Us: We specialize in creating custom-designed lighting kit toys and strive to provide customers with high-quality products and services. Use your imagination and creativity to create your own unique work. Light up your blocks and they will shine with a new brilliance. Compatible with City Heavy Cargo Transport and Helicopter Block Building Model - Lightailing LED Light Set - Compatible with LEGO 60183 LED Light Kit (Body Sold Separately) 8-593250★★＊