Our fiber optic locks have a high security indicative seal for highly sensitive applications. Our fiber optic locks have a seven digit consecutive number and your company logo on each of them. They are used exclusively with a digital camera verifier. If there is a disruption of light through the 23 fiber strands, this indicates tampering. The polyethylene jacket causes random bundle as singular as a fingerprint. You can easily test the optical continuity by a simple penlight. You can use remote monitoring with these fiber optic locks.