Brand: ANSMANN Series: X-Power Battery Size: AAAA Battery Type: Alkaline Operating Temperature: -20°C to +50°C Compatibility: Styluses, Wireless Alarm Systems, Dog Light Collars, Alarm Clocks, Digital Cameras, Universal Remotes, Flashlights, Portable Radios, Wireless Game Controllers, RC Cars, Walkie-Talkies and Electronic Toys Package Contents: 2 × AAAA Alkaline Batteries