How to Use: 1. Insert the lamp into the lamp holder (the luminous surface faces the switch direction) 2. Two power supply methods, USB power supply or 3 AA batteries (battery not included) 3. USB power supply can be used with power banks, computer USB ports, mobile phone charging heads, car chargers, etc. 4. Battery power supply requires 3 AA batteries (not included), installed in the battery box for power supply 5. Control the light switch through the button on the lamp holder 6. Warning: Do not use USB and battery charging methods at the same time, as this may cause the battery to become hot. Specification: Item Type: Neon Light Material: ABS+PVC Weight: Approx. 318g / 11.2oz Light Color: Green Light Power Supply Mode: USB Power Supply or 3 x AA Batteries (Battery Not Included) Voltage: 5V Brightness: 200LM Applicable Life: 50000H Uses: Bar decoration, interior decoration, party decoration, outdoor decoration, wedding decoration Base Diameter: Approx. 10cm / 3.9in Combined Height: Approx. 28.5cm / 11.2in Width: Approx. 25cm / 9.8in Package List: 1 x Neon Light 1 x Base 1 x USB Cable