Dogtra Remote Collar 1-Dog Unit 1409823. Offering a full 3/4-mile range and 100 levels of high output it includes BOOST and XPP vibration functions for immediate response and attention. Designed for one-handed control the 1900X features a central command button protective e-collar case and an integrated LED light for visibility in low light. Its IPX9K waterproof rating and durable double remote casing ensure consistent performance in any environment. Expandable to three dogs it?s a go-to solution for serious trainers and handlers. Specifications for Dogtra 1900X Remote Collar 1-Dog Unit: Manufacturer: Dogtra Color: Green Black Features of Dogtra 1900X Remote Collar 1-Dog Unit: One-handed control with central command button 3/4-mile range 100 high output levels BOOST and level lock functions Nick continuous and XPP vibration modes Protective e-collar case LED locate light on receiver Audible tone Durable double remote casing Expandable to 3 dogs Fully IPX9K waterproof Receiver Weight: 5.6 oz Receiver Dimensions: 4 x 1.4 x 1.4 in Transmitter Weight: 5.2 oz Transmitter Dimensions: 3.9 x 2.1 x 1.3 in Package includes remote transmitter receiver collar strap 5V 2.5A charger USB-C cable test light belt clip and lanyard Package Contents: Dogtra 1900X Remote Collar 1-Dog Unit