Wife bought this no-touch thermometer without realizing it's a "disposable" device with "non-replaceable" batteries - the packaging even instructs you to discard it when it stops working. I pried it open and
ARC InstaTemp Digital Non-Touch Thermometer - Walmart.com
Arc Insta Temp Non-Touch Thermometer 0m+ for All Ages - Walmart.com
Red Dot Design Award: Arc InstaTemp MD
ARC Devices InstaTemp Non-touch Digital Thermometer Yz9 for sale online | eBay