• 【Rechargeable Dual Power Design】Supports both plug-in and battery operation for indoor and outdoor use, automatically switching from AC to battery power when external power is interrupted.

• 【LED Battery Indicator】Blue LED lights clearly display current battery level and operating mode, making operation simple and intuitive with visual feedback.

• 【Two Working Modes】Continuous mode: Single press for non-stop operation lasting several hours; Intermittent mode: Double press to switch to cycle mode with periodic pauses for extended battery life.

• 【Compact & Portable Design】Lightweight and space-saving design with easy installation requiring no additional tools, can be mounted anywhere in seconds with silent operation.

• 【Universal Aquarium Compatibility】Suitable for both freshwater and saltwater tanks, providing efficient oxygenation for fish tanks, aquariums, fishing, and live transport applications.

Specifications:

• Material: ABS
• Dimensions: 10.5 x 7.3 x 5 cm
• Air Output: 2L/min
• Air Outlet: Single Port
• Battery Capacity: 1500mAh
• Continuous Working Time: Up to 40 hours
• Charging Interface: USB-C
• Operating Modes: Continuous / Intermittent (18s on, 10s off)
• LED Indicator: 5-level Blue LED + Green Power Icon