Neptune Systems Solid Surface Leak Detection Probe - Floor ProtectionProtect your home from water damage with Neptune's solid surface leak detection probe, designed for flat surfaces like floors and shelves!Probe Features: Designed for solid flat surfaces - floors, shelves, stands Instant email and text alerts when water detected Works with Neptune Leak Detection Kit and Apex Can trigger automatic pump shutoff Durable construction for long-term reliability Essential insurance for your reef investment Specifications: Solid surface design | Apex compatibleBest For: Floor protection, shelf monitoring, equipment areasPlace this probe on the floor near your tank or sump and get instant alerts the moment water appears! Can even automatically shut off your return pump to prevent catastrophic flooding. Peace of mind in a small package!