4 Channel Wireless Remote Safety Igniter for Fireworks Firing System

Features: 1. Receiver uses 4 AA batteries; Transmitter uses 12V 23A battery. 2. Operating range up to 150 meters (492 feet). 3. Expandable system; add more receivers as needed. 4. Receivers are pre-programmed and can be reprogrammed. 5. Easy pairing: Insert a paperclip into the small hole on the receiver, then press a corresponding key on the remote when the receiver flashes. 6. Handle with care, avoid shaking and dropping. 7. Keep receiver away from body during operation. 8. Remove batteries before storage. 9. Store in clean, dry area free from contaminants. Product Details: Color: As shown Material: Plastic Package Contents: 1 x receiver, 1 x transmitter Note: Light reflection and different displays may cause slight color difference; measurement error is +/-1-3cm. Specifications: Frequency: 433MHz