Mobile is there for you when you need it, Around the Clock, Around the Country. For just a dollar a day, you can continue doing exactly what you want—wherever you want —with your shockproof, waterproof, fully mobile PERS stylishly hanging by your side. Note: After ordering, you'll receive your unit in 5-8 business days. Once you receive the unit, you'll sign and return a monitoring agreement and will be billed every month on a recurring basis, starting 30 days after receipt of the unit. Shipping is free. Service may be cancelled with 30 days notice at anytime as long as your equipment is returned to ATC. By signing up for our service, you we are authorizing ATC to contact you via SMS, Phone, or Mail. You may opt-out at any time by contacting us at 877-633-2578.