security equipment; personal safety devices
Refers to equipment carried for personal protection, such as pepper spray, stun guns, or batons. Often used in contexts of self-defense or crime prevention.
I make sure to carry security equipment when walking at night.
I bought pepper spray as a security device.
anti-theft device; theft prevention equipment
Used for devices that protect property from theft, such as locks, alarms, or immobilizers. The focus is on preventing theft rather than personal safety.
I install an anti-theft device on my bicycle to prevent theft.
This car is equipped with the latest anti-theft devices.
A more casual, everyday term for crime prevention goods, often used in consumer contexts. 防犯装備 sounds more formal and equipment-oriented.
A broader term for security devices, including electronic surveillance and access control, not limited to personal or anti-theft use.
Compound of 防犯 (crime prevention) and 装備 (equipment). The exact historical derivation is uncertain, but the word follows a common pattern of combining Sino-Japanese elements to form technical terms.