Features: Solar powered Water Agitator With battery backup, continue working even in unsufficient sunlight. Water agitator for bird baths, creating continuous ripples in water avoid growing moss. Dynamic ripples can attract birds and make your garden vibrant. PET Solar panel, brushless motor, built-in 3.7V/400MAh lithium battery. No wiring and no plumbing required, no need to install, simply put it in bird bath. Specifications: Color: White Material: ABS + Transparent PC Size: 115*115*64mm / 4.5*4.5*2.5inch Panel size: 90mm / 3.5inch Support Length: 11cm / 4.3inch Solar panel technology: 5V, 0.5W PET polycrystalline silicn Output voltage: 5V Max Power: 0.5W Battery: Built-in 3.7V/800MAh lithium battery (Non-remplacement) Motor voltage: 3.0-5.0V brushless DC motor Rated voltage: 3.0V Working voltage: 3.0-4.2V Quiescent current: ＜50UA Working Current: ＜60MA Working time: ＞6Hours Charging protection voltage: 4.2V Discharge protection voltage: 3.0V Solar time: 6-10 Hours Package Size: 150*140*80mm / 5.9*5.5*8inch Package Weight: 350g / 12.3oz Note: 1. Turn on before installation, and put it in a place where sunlight can directly shine. The motor will start to rotate immediately. 2. Install the product in an environment with sufficient sunlight to keep the transparent cover fully exposed to sunlight. 3. Regularly the dirt on the transparent cover to improve charging efficiency. 4. As the charging effect of the solar panel is dependent on the sunlight strength, and it is also affected by weather, seasons, places, etc. Package List: 1 * Solar Water Wiggler