Specifications include, but are not limited to: eDNA Sampler Backpack Combo (Quantity: 4): Components Included: -eDNA sampler backpack -Hose kit -Remote with 4x AA batteries -Lithium battery charger -Lithium battery assembly -eDNA sampler manual Key Features: -Optimized for mobile eDNA sampling -Onboard GPS providing location, speed, and distance data -Standardization of water volume per unit distance (ml/meter) -Data logging in CSV files for all parameters with unique event for each sample -Real-time data visualization during filtration process -Built-in USB port for downloading eDNA sampling files. -Quantity discount available; eDNA Sampler Combo Li-Ion (Quantity: 1): Components Included: -Handheld eDNA sampler -Hose kit -Remote with 4 AA batteries and charger -Lithium battery charger -Lithium battery assembly -eDNA sampler manual Key Features: -Optimized for mobile eDNA sampling -Onboard GPS providing location, speed, and distance data -Standardization of water volume per unit distance (ml/meter) -Data logging in CSV files for all parameters with unique event for each sample -Real-time data visualization during filtration process