Cart Suggested Add ons: Cell Card $3.00 on the 2nd of each month and a $5.00 sign-up fee Add to cart Add Indoor Camera $3.00 / month and a $100.00 sign-up fee Add to cart Add Outdoor Camera $3.00 / month and a $100.00 sign-up fee Add to cart Add Doorbell $100.00 - Doorbell quantity + Add to cart Add More Add ons: Smoke Alarm $100.00 - Smoke Alarm quantity + Add to cart Add CO2 Alarm $50.00 - CO2 Alarm quantity + Add to cart Add Motion Sensor $50.00 - Motion Sensor quantity + Add to cart Add Water Leak Sensor $50.00 - Water Leak Sensor quantity + Add to cart Add Indoor Camera $3.00 / month and a $100.00 sign-up fee Add to cart Add Outdoor Camera $3.00 / month and a $100.00 sign-up fee Add to cart Add Door/Window sensor $50.00 - Door/Window sensor quantity + Add to cart Add Doorbell $100.00 - Doorbell quantity + Add to cart Add