The Kamoer F1 is a single-channel intelligent liquid dosing pump with BOTH WiFi and Bluetooth control capabilities. This unit will allow the precise automation of adding liquid additives and elements to your aquarium. *Requires a Bluetooth-capable mobile device to operate locally via Bluetooth. A WiFi-capable mobile device with an isolated 2.4ghz capable router is required for remote WiFi control. Kamoer F1 Features: Quiet Operation Adjustable dosing volume with flow calibration function Uses Kamoer Remote App, which supports iOS and Android The battery backup feature retains the correct time if power is lost Pharmed BPT long-life tubing (4mm OD x 2mm ID) Multiple F1 Units can be daisy-chained together Up to 24 dosing points per day with a custom dosing period Dosing frequency, daily/ ever "X" days / specific days Delay setting between multiple F1 prevents chemical interference Monitors the amount of liquid remaining in dosing container Firmware updates via App Compact footprint (100 x 100 x 60mm) LxWxH F1 Specifications: Modes: Automatic or ManualNumber of Dosing: 24 times/day - 1 time/99 daysDosing Accuracy: