Check out the Hollon PB-BIO-2 Biometric Pistol Safe. With just one finger, you have access to your pistols and valuables. The biometric lock takes 4 AA batteries. Even if your batteries die completely or you change them, it will still retain your fingerprint and combination. The interior on the Hollon PB-BIO-2 is foam lined to protect your valuables and firearms from scratches. The outside is painted a black color.