Digital Kitchen Timers: Countdown Timer With Large Led Display For Classroom Product Details ?Rotary timer easy operation?:AVINIA big digital timer is quick easy to adjust a time only by twisting outer ring, and one touch button to just start/stop time countdown countup (timing range 0-99 minutes),designed for kitchen,classroom,fitness,meeting and more, whether we are elderly or kids, this rotate timer, we can easily control and use it. ?Multiple scenes use?:what will this twist timer bring to us?Eg,as a kitchen cooking timer,you will say goodbye to over-raw or over-cooked steaks, even you more like a pro! as kids timer, to grow children?s awareness of time, reminding kids to balance games and learning, also be teachers timer, students timer, classroom timer, exercise timer, barking timer, meeting timer, game timer, egg timer, gym timer,BBQ timer . ?Continuous light Big digits?:Three levels brightness are respectively ? CONSTANT BRIGHTNESS MODE ? , ? DIM MODE ? and ? LIGHT OFF ? ,for satisfying different requirements, According to ambient light setting a mode what you need, caring about your eyes and enjoying LED big digits. what a smart visual timer! ?Loud alarm Magnetic?:Three levels alarm sounds from silence up to 90dB.Loud alarm ensures the sound heard in another room, smart time reminder, we will no longer worry about over-cooking or forget something what we should have done but didn't.Strong magnets on back can firmly stick on refrigerator,oven,blackboard and any iron walls, to facilitate 1hand operate. ? Energy saving 365 days Guarantee?:Powered by 3 AAA batteries? if timer doesn't run and without any operation, display brightness will turn dim then light off in a few seconds. Don't worry it will not consume energy in the sleep mode. Each AVINIA TIMER has a full-year quality guarantee and detailed instructions manual, please rest assured to order. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.