Stable safe, can be opened with a PIN. Thick steel sheet, to be connected by screwing to the boat. Open by 3-8 digit code. Key for emergency opening when the batteries are low or forgotten code included. For 4 AA batteries, not included in delivery. Outside dimensions B 230 x H 160 x D 170 mm, inner dimensions 225 x 166 x 167 mm, clearance door 160 x 125 mm. Weight 4.6 kg.