Features: 1. Extended Wireless Range: Operates reliably up to 150 meters (492 feet) for flexible and safe remote control. 2. Independent & Expandable Receiver System: Four receivers can function independently; if one fails, others continue operating. The system is easily expanded by purchasing additional pre-programmed receivers. 3. Convenient Reprogramming: Receivers come pre-programmed for immediate use but can be easily re-paired with the remote via a simple reset button. 4. Economical & Efficient Design: Receivers use 4 AA batteries each, while the transmitter uses a 12V 23A battery, ensuring cost-effective operation. 5. Robust Safety Compliance: Operates on 433MHz frequency and complies with FCC Part 15 rules, ensuring safe and reliable performance with minimal interference. Product Details: This 4-channel smart wireless remote safety igniter system offers secure and reliable firing control for professional applications. The high-sensitivity transmitter commands four independent receivers over a long distance. Built with durable materials, it features stable signal transmission and failsafe operation. The system is designed for easy setup and scalability, allowing you to add more receivers as needed. Ideal for ensuring precise and safe remote activation. Specifications: - Power: Receiver: 4 AA batteries each; Transmitter: 12V 23A battery - Operating Range: Up to 150 meters (492 feet) - Frequency: 433MHz - Compliance: FCC Part 15 certified - Color: As shown - Material: Durable plastic - Package Contents: 1 x Transmitter, 4 x Receivers - Note: Only the listed items are included. Slight color variations may occur due to lighting and screen differences. Dimensions may have a tolerance of +/- 1-3cm. Usage Guidelines: - Handle with care; avoid shaking or dropping the device. - Keep receivers away from excessive moisture or debris to prevent damage. - Remove batteries when not in use for extended periods. - Store in a clean, dry environment.