ZIEIS | 150 Lb. Capacity | Large Pet Series - Digital Dog Scale | CP150-3020-SURGE | 30" X 20" BigTop Cozy Pawz Platform | Adjustable LCD Bracket | Surge Protector | 0.1 Lb. Accuracy Large 30 x 20 BigTop Cozy Pawz Series platform designed for long life and durability ISO 9001:2000 manufacturers certification ensures exceptional quality and extreme reliability Power: 110V adapter (included) or 6 x AA batteries (not included) Programmable Hold options include Auto-Hold or Manual Hold - customize your power requirements This ZIEIS digital pet scales feature a ten (10) year manufacturer warranty