MediaRange MRBAT133. Battery type: Single-use battery, Battery size: CR1216, Battery technology: Lithium. Width: 12 mm, Depth: 12 mm, Height: 1.6 mm. Package width: 51 mm, Package depth: 1.6 mm, Package height: 160 mm. Master (outer) case width: 21.5 cm, Master (outer) case length: 16 cm, Master (outer) case height: 15.1 cm. Battery form factor: Button/coin, Shape: Round