Introduction
This manual provides essential information for the safe and effective operation, maintenance, and troubleshooting of your Hapystart Electric Water Guns. Please read this manual thoroughly before use to ensure optimal performance and longevity of your product.
What's in the Box
- 2 x Electric Water Guns
- 2 x Water Tanks
- 2 x LED Lights
- 2 x Water Gun Scopes
- 2 x USB Chargers
- 1 x User Manual

Figure 1: Package Contents (Note: Goggles shown in image are not listed in "What's in the Box" but are often included for safety. Please refer to your specific package for exact contents.)
Setup Instructions
- Battery Installation:
Locate the battery compartment, typically in the handle. Use a small screwdriver to open the compartment. Insert the provided rechargeable battery, ensuring correct polarity. Close the compartment securely.

Figure 2: Step-by-step installation guide, including battery placement.
- Charging the Battery:
Connect the USB charger to the charging port on the water gun (often located near the barrel, under a waterproof cover). Plug the other end into a compatible USB power source. The charging indicator light will show charging status. A full charge provides approximately 60 minutes of continuous play.

Figure 3: Charging port location and important safety reminder.
- Water Tank Attachment:
Open the sealed fill port on the water tank. Fill the tank with clean water. Align the water pipe from the gun with the tank's connection point and rotate 90 degrees to securely install the water tank. The tank has a large capacity of 420CC, allowing for over 400 shots.

Figure 4: Water tank filling and attachment process.
- Attaching Accessories:
Attach the water gun scope to the designated slot on top of the gun. For the LED light feature, mount the light component to the front barrel and long press the switch to activate or deactivate it. Do not look directly at the light when activated.

Figure 5: Attaching the scope and activating the light feature.
Operating Instructions
- Power On:
Push the switch to activate the sensor and power on the water gun.
- Firing:
Once powered on and the water tank is filled, simply pull the trigger for automatic, continuous firing. The gun features a cool water shooting recoil effect and rapid bullet firing.

Figure 6: Demonstrating the impressive shooting range.
- Light-Up Feature:
The water gun includes a realistic LED water gun flame effect. This feature activates when firing, enhancing the play experience, especially in low-light conditions.
Product Demonstration Video
Video 1: Official product video demonstrating assembly, water filling, firing, and light effects of the Hapystart Electric Water Guns.
Maintenance
- After each use, empty any remaining water from the tank and the gun to prevent mold or mildew buildup.
- Wipe down the exterior of the water gun with a damp cloth. Do not use harsh chemicals.
- Ensure the charging port's waterproof cover is securely closed when not charging to prevent water ingress.
- Store the water gun in a cool, dry place away from direct sunlight.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Water gun not firing. | Low battery; Water tank empty; Power switch off. | Charge the battery; Refill the water tank; Ensure the power switch is on. |
| Weak water stream. | Insufficient water in tank; Air bubble in pump. | Refill water tank completely; Fire continuously for a few seconds to clear air. |
| Light feature not working. | Light component not securely attached; Light switch off. | Ensure light is firmly attached to the barrel; Long press the light switch to activate. |
| Battery not charging. | Charger not properly connected; Faulty USB power source. | Check USB cable connection; Try a different USB power adapter. |
Specifications
- Model Number: CY090
- Product Dimensions: 6.7 x 2.5 x 8.4 inches
- Item Weight: 1.37 pounds
- Water Tank Capacity: 420CC
- Range: 26-32 feet
- Battery Life: Approximately 60 minutes continuous play per charge
- Recommended Age: 3 years and up
- Manufacturer: Hapystar
Safety Information
WARNING:
- Do not immerse the entire water gun in water. Only the water tank is designed for water contact during filling.
- Do not aim at eyes or face. Always use appropriate eye protection (goggles, if included or purchased separately).
- Do not look directly at the LED light when activated.
- Adult supervision is recommended for children during use.
- Keep small parts away from young children to prevent choking hazards.
Customer Support
If you have any questions about the product, encounter issues, or require assistance, please do not hesitate to contact us. We are committed to resolving your concerns as quickly as possible.
Contact information is typically provided on the product packaging or through your point of purchase.