Techo Touchless Toilet Flush Kit, Adjustable Sensor, 1256315, Easy To Install Product Features EFFORTLESS UPGRADE: Upgrading into automatic toliet without replacing the current toilet or toilet seat, AND the manual handle will be still working as a backup. Automatically flush when hands waving over the detection range. A more sanitary way to flush than using the handle. RELIABLE MOTION SENSOR, ADJUSTABLE SENSING RANGE FLUSH TIME: Minimizing possibilty of phantom flash, only be activated when sensing motions within the detection range. Unaffected by the external environment. Easily adjust the sensor range and flush time with a screwdriver. Sensor range adjustment range: (0-8?). Flush time adjustment range: (1-6s). EASY TO INSTALL REPLACE BATTERIES: Simple installation taking most people less than 20 minutes. External battery design makes it easier to replace batteries. LONG LIFESPAN: The controller last for over 200,000 flushes in normal use and 4 AA batteries (included) last 30,000 flushes. RIMINDERS: The kit DOESN'T FIT ALL TOILET TYPES! Only fits with most flapper and canister toilets, not for dual-flush/ ballcock valve/ top-mount flush and pressure-assist toilets! Contact us at once if you are not sure whether our product fit your toilets! Ideal for toddlers and elderly, useful aid for people with disabilities and a convenient helper in the night! Any question with our product, please contact us!! Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!