Smart Skimmer Security - SSS-120S A Simple Way to Secure Your Aquarium Prevent your protein skimmer from overflowing.With Smart Security System, experience the complete peace of mind. INNOVATIVE OPTICAL SENSOR The smallest but the smartest optical sensor not only detects skimmate level precisely but makes maintenance easily. Its magnetic sensor fits most skimmer cups and can be mounted at the desired level in a second without any tool. TOP NOTCH TECHNOLOGY Smart Skimmer Security can detect skimmer cup full, shut o the skimmer and give an audible and visual alarm immediately to prevent catastrophe. No longer need to check your skimmer cup constantly! Smart Auto-Recovery function allows it turn on back after cleaning the collection cup. Users don't need to unplug the AC Switch and plug it back to reset the device. PLUG & PLAY Just plug the skimmer in the Smart AC Switch and it will work in a second without any annoying programming. Enjoy peace of mind! SSS-100SMART & SAFEThe auto time delay function can protect both the skimmer and the aquarium and avoid false alarm when a power outage occurs. Stop Skimmer Overflowing Have you experienced skimmer overflowing ruined the beautiful tank? Are you tired of checking the skimmer frequently? Smart Skimmer Security can help! Just attach the tiny sensor in the skimmer cup with the magnet, plug the skimmer in Smart AC Switch, and connect the power- It’s just that simple! No more worries about your skimmer! INCLUDED - Smart Skimmer Security - North America 100V-120V Plug Type SPECIFICATIONS - Power Input / Output : 100-120 VAC, 10 Amp - Max. Power : 1100 W for 110 VAC - Skimmer Sensor : - Max. Mounting Thickness : 5/16 inch (8 mm) - Wet Side Magnet Size : 20 mm x 17 mm (Diameter x Thickness) - Cable Length : 10 feet (300 cm)