| Protect entryways with keyless systems. Using | | | | or glass is broken. Glass break sensors or shock |
| codes, fingerprints or a TM card, burglars cannot pick | | | | sensors are mounted in the room near the window. |
| the lock with a bump key. A bump key is a filed | | | | Other types of audio alarms are available and will |
| down key that only works with conventional cylinder | | | | activate to warn of attempted intrusion. Silent alarms |
| and tumbler locks. The key blank will open the lock if | | | | send a silent signal to a remote monitoring station or |
| it fits in the key slot. A keyless entry means never | | | | to local authorities. Outdoor floodlights with motion |
| having to call a locksmith again because of misplaced | | | | detectors are installed anywhere on the property. |
| or lost keys. Keyless entries have two designs. Fail | | | | They conveniently provide light from one entrance or |
| safe, which opens during a power failure, and fail | | | | exit to another. Not only is the walking path |
| secure, which locks during a power failure. | | | | illuminated during twilight, but a floodlight will startle |
| Door and window sensors protect against intrusion | | | | and ward off trespassers. |
| by sounding an alarm if opened, vibration is detected, | | | | |