Lanalux Flea Collar - Flea and Tick Prevention for Dogs One Size Fits All - Flea Control 8 Months Protection & Treatment Hypoallergenic Tick Collar Insect Repellent Collar with Natural Plant Extracts Active SIM pre-installed with FREE 100 days data plan Real Time Tracking: Location update every 5 seconds Customer live supports, from our Vancouver branch office No wiring necessary, or can be wired to be hidden (come with 2 cables) Unlimited data plan at $15/month, based on annual subscription