Price, performance, configuration.
1. The price of the real water gun spyra is twice that of the fake water gun.
2. The real water gun Spyra shoots faster and farther and provides twice the battery life. The other is the water pump. The real Spyra water pump is quieter than the fake one.
3. The real water gun spyra has a self-pressurizing water tank and a rechargeable battery using a USB-C port, while the fake water gun only contains batteries.