Professional 12 Channel Wireless Fire Pit Firelight System Remote Control Detonators . WIRELESS FIREWORK FIRING SYSTEM Characteristic: 1. Power source: 6 V - requires only 4 AA batteries per receiver. 2. Range: 150 meters. Every receiver with an antenna. 3. Fully programmable - match any or all receivers to any button on any system remote. If you want to program the receiver, insert a small stick into the hole in the receiver box. Then the light on the receiver will flash and then it will be ready 4. Expandable - Add other receivers (available individually) to increase the amount of memory. 5. Interchangeable and economical: If after some time of use one ma a small problem, you can use another instead. Or you just have to buy a receiver, you don't have to buy a remote. . WIRELESS FIREWORK FIRING SYSTEM Specification: Material: plastic Weight: 265 g/9,3 oz Frequency: 433 MHz Transmitter power source: 12V 23A battery (NOT included) Receiver power source: 4 * AA batteries (NOT included) Number of Channels: 8pcs Range: 150 m/5905,5 inch . WIRELESS FIREWORK FIRING SYSTEM List of packages: 1 x pilot 2 x Receiver 1 set x connecting cable Note: 1. Handle the product carefully, avoid shaking it and dropping it. 2. Keep the receiver as far away from the fireworks as possible to avoid damage. 3. Before storage, remove the batteries to prevent the inbox from getting dirty. 4. Please do not place the product in a humid, acidic, alkaline and contaminated environment. 5. All systems do NOT include batteries. 6. . WIRELESS FIREWORK FIRING SYSTEM