iRobot Roomba 615, Bagless, Black, Silver, Round, 0.6 L, 59.4 dB, Nickel-Metal Hydride (NiMH)
iRobot Roomba 615. Dust container type: Bagless, Product color: Black, Silver, Shape: Round. Dust capacity (total): 0.6 L, Noise level: 59.4 dB. Battery technology: Nickel-Metal Hydride (NiMH), Charging time: 3 h. Diameter: 13.4" (34 cm), Height: 3.62" (92 mm), Weight: 7.94 lbs (3.6 kg)