24/7 Performance: With sufficient sunlight, the Aiper EcoSurfer S2 Robotic Solar Pool Skimmer's solar charging ensures 24/7 cleaning. On cloudy days, a single charge via the DC adapter can keep your skimmer running for up to 35 hours Efficient Cleaning with Adjustable Chlorine Dispenser: Aiper EcoSurfer S2's industry-leading 150-micron filtration and DebrisGuard anti-leak design effectively capture all kinds of debris. It holds 3-inch chlorine tablets for consistently cleaner water The App Just Got Smarter: Now you can start or stop your device, set custom cleaning schedules, steer remotely, track progress, view history, and get instant blocking alerts! Obstacle Avoidance & Edge Cleaning: Dual sensors and Aiper's Smart Algorithms enable effective obstacle avoidance and precise cleaning. Its unique edge and corner cleaning mode improves coverage by 5% and enhances cleaning efficiency by 15% Anti-Stuck Design: Equipped with four retractable anti-stranding columns, the EcoSurfer S2 avoids getting stuck on pool steps, paired with the obstruction alert through the app, ensuring uninterrupted operation and continuous cleaning Durable: With twin Salt Chlorine Tolerant motors and a UV-resistant housing, the EcoSurfer S2 delivers reliable, energy-efficient performance in any pool, built to endure harsh weather and backed by 24-month product care for lasting durability