Chubbsafes Sigma Deposit Safe Size 2 Battery Powered Electronic Digital Operated Locking. Chubbsafes Sigma for depositing cash, cheques & vouchers Advisory insurance cash rating is £10008mm steel door for security & 3mm steel body Hardened steel plates protects both bolts & lock fromattack Anti- fishing device to prevent removal via dropslot Fitted with a secure electronic lock with anoverride key Easy to secure via base or rear face with supplied fixingkit