Elevation Lab Timecapsule Airtag 10-year Battery Case 10-Year Life Extended Battery Case For Airtag, Long-Last Protection Battery Case, Waterproof Holder For Air-tag Uses AA Batteries - 14x More Capacity Than CR2032, 3 4 in 1 - Mount It Your Way: This case has many humanized designs. Works with AirTag generation 1 & 2. Over 14x more battery capacity than AirTag's CR2032. Uses two AA batteries (NOT INCLUDED Easy Setup: The case is easy to assemble by removing the AirTag's battery and metal door, placing it on a custom contact, inserting AA batteries, and screwing it together with the included 4mm hex wrench. Designed after having a camera bag with $10k worth of gear stolen and FindMy didn’t work because the AirTag battery was dead. Ultimate peace of mind: 12 months goes fast and a dead AirTag can get expensive What You Get: 4 Pack Battery Case for Airtag. Elevation Lab AirTag 10-Year Extended Battery | Adhesive Excellent Waterproof Performance: This case is waterproof, ensuring that the AirTag and its batteries stay dry.