Vaultek Smart Key Biometric

Features: Instant access with one simple touch. Mount anywhere with the included bracket and mounting tape. Biometric scanner can store up to 20 fingerprints for secure access, and features a range up to 20 feet. Built in rechargeable battery provides 3 months of standby time, and can be recharged in 2.5 hours. Compatible with RS Series, MX Series, VT Series, and Slider Series safes. NOT COMPATIBLE WITH ESSENTIAL SERIES MODELS. Includes: (1) Micro-USB Charging Cable External Dimensions: 1.8" diameter 0.8" Tall