FIREWORKS Firing System Features of Products:1. Test mode for each channel.2.Output voltage:36v 3. Power supplied by car battery or AC(110/220v).4. Remote and hand control.(150 meters range of remote) 5. Remote frequency:315MHZ6.Each channel can fire about 20pcs products.Attetions:1,Please dont make it to be short circuit for that would damage machine.2.If connecting products in series, please use the products which made by the same factory; Because the resistivity of ignition are different of each factory ,3. Please turn off the power switch when the circuit connecting but dont need to use it , and plsdo not shake the machine violently;4. Dont press FIRE after pull out electrical outlet, for there is left power would ignite products;5.Please dont place the product in the damp , sour ,alkali and pollution environment.Pls pay attention to the A,B,C letter on transmitter. You could control the 36 channelsby move the button on trasmitter. For example, if you move it to position A, the transmitter is control the A part on the receiver.About shipping: We will send the goods to you by DHL/ UPS/EMS.They will send the goods to your door within 10 days. Pls check the tracking number from Aliexperssin 5 days after you do the payment.