Beurer JBY92. Battery type: AAA, Battery life (max): 48 h, Battery technology: Nickel–Metal Hydride (NiMH). LED indicators: Power. Parent unit dimensions (W x D x H): 57 x 57 x 24 mm, Parent unit weigh: 62 g, Baby unit dimensions (W x D x H): 78 x 78 x 39 mm. Colour of product: White, Yellow. Maximum operating distance: 250 m