Please read ALL notes below the description before your purchase!! New 2023 TOM DAVIS 280C BOOST & LOCK VersionBring some flavor to your dog’s training gear with the new Dogtra X TOM DAVIS EDITION 280C featuring Boost ‘N Bungee and Safety Level Lock. Professional Dog Trainer, Tom Davis created a new design and added new training features to the fan favorite Dogtra 280C. Features: Safety Stimulation Level Lock-New No Bad Dogs Bungee Collar Nick, Continuous Nick, Boosted Continuous Stimulation High Performance Pager Vibration  Compact Collar Dogs 15 lbs+ 1/2 Mile Range 0-127 Low to Medium Stimulation Levels Waterproof Unit (IPX9K) Training Functions Details:  BOOST: Go from training mode to obedience mode easily by setting your own custom BOOSTED constant to jump to your enhanced training level seamlessly. CONTINUOUS NICK: Continuous Nick applies a pulsating stimulation like Nick, but continues up to 12 seconds, imitating the “tugging” sensation that is similar to a leash. SAFETY LEVEL LOCK: Lock in your stimulation level without worrying about accidentally moving the dial BUNGEE COLLAR: Working with a fussy dog is made easy with the adjustable BUNGEE COLLAR. Featuring the easy fit Cord Loc™ 194 to secure custom sizing and added comfort.   PLEASE NOTE: If you order for shipment to a country where e-collars are illegal, your package may be taken at customs. We are NOT responsible for any lost, stolen, or seized orders.  Shipments to other countries are also subject to customs taxes & fees. Please be aware of this and do not order if you are unsure about paying the customs fees, your order will not be released from them until doing so.  ALWAYS give a good contact email AND phone number on your orders so shipping carriers can contact you if needed.  Returns of this product must be unused and all parts must be in original packaging. Please reference our return policy for more information. If anything happens to your e-collar, Dogtra offers a Warranty Policy that you can find here https://www.dogtra.com/warranty