Bosch AKE30S mains electric chain saw with 30cm guide bar, light weight but sturdy design with ergonomic handle. The AKE30S is fitted with an 1800 watt mains electric motor & the Bosch SDS chain assembly system., Low kick back anti-vibration chain, 9m/s chain speed, Automatic lubrication The Bosch AKE30S is a good entry level mains electric saw with simple, tool-less chain assembly & tensioning. Complete with 200ml oil reservoir & visible oil indicator, large steel gripping teeth & "instant stop kick-back brake". Specifications: Power: Electric Motor: 1800 Watts Weight: 4.0kg Bar Length: 30cm / 12 inches Chain Speed: 9m/sec Chain Brake: Yes Manufacturer's 2 year domestic warranty. Weight approx 4kg.