ZR6. Up to 2x more digital pictures (vs. ordinary alkaline, results vary by camera). NiOx Technology. Nickel oxy hydroxide. With NiOx Technology for up to 2x more pictures. If You Take Pictures Moderately: Pictures per Month - 21-80; We Recommend - Duracell Power Pix; Provides - Up to 2x more pictures; More power; Greater convenience. Made in Japan.