Open and close electronic safe with 3-8 - digit code 3 light indications (green, red, yellow, to open respectively, 'low battery' indication and warning Change code with the reset button With protective carpet inside Attachment at the bottom and back possible (drill holes provided) Outside size: 20 x 31 x 20 cm Inside size: 19.8 x 30.8 x 14 cm Steel door thickness: 3 mm Steel thickness body: 1mm weight: 4 kg 4 x 1.5 V AA battery (excluding)