The Onetop DB1260 Dropbolt is designed for mounting on narrow swing door frames, where space is limited. It offers a choice between Power to Lock (PTL) and Power to Open (PTO) modes. With an auto-sensing voltage input 12VDC to 24VDC, the DB1260 delivers a robust holding force of 800kg. Additional features include an optional built-in Door Status Sensor (DSS), remote Release Control, bi-color LED indicator, and an audible tone. The DB1260 has a bolt position sensor, this feature helps prevent issues related to fast door closures or misalignment of the locking mechanism.