Compatibility: Compatible with any standard 40mm launchers; no proprietary launcher required to create light effects​ Versatility: Accommodates standard 40mm projectiles or any pellets, BBs, or gel BBs that fit inside the clear shell​ Multiple Modes: Offers three modes: tracer with RGB light, tracer only, and RGB light only​ Gas-Only Light Effect: Capable of creating light effects using only gas, even without BBs​ Durability: Constructed with a durable metal alloy shell for long-lasting use