The Holman EzyGrip Pool Filler Tap Timer comes with a 12mm snap-on hose fitting, so you can easily connect it to a standard hose. Leave the tap and pool unattended while it fills up for the dialled amount of time. The maximum run time is 2hrs, meaning no more having to worry about overfilling the pool this Summer. The EzyGrip Pool Filler Tap Timer has a manual override and non-slip rubber dial for easy adjustment. KEY FEATURES; Simple Action Dial & Set 12mm fitting size No Batteries Required Double O-Ring Connection Non-Slip Rubber Dial PRODUCT SPECS: Brand: Holman Model Number: CO0016 Hose-End Compatible (Yes/No): Yes Maximum Cycle Time (min): 60 Odd/Even Day Program (Yes/No); No Number of Cycles: 1 Cordless (Yes/No): No Auto Shut Off: Yes Wireless (Yes/No): No Digital Display (Yes/No): No Manual Bypass (Yes/No): Yes Programmable (Yes/No): No Number of Zones; 1 Computer Software Compatible (Yes/No): No