KKmoon Anti-Theft Security System Keyed Padlock, 110dB with 3 Keys, Black

Features:
Low false alarm rate.
Low power consumption.
Corrosion resistant, waterproof and durable to use.
Powered by six button batteries.
Supplied with three keys, convenient to use.
Note: When you place the shackle with groove into lock near key port, then the lock comes into alarming state. When the shackle with groove is placed away from key port, the lock is just in the mechanical lock state.
Specifications:
Color: black
Material: zinc alloy
Alarm decibel: 120dB
Power supplied by: 6 * AG13 button batteries
Lock size: 7 * 3.3 * 9.8cm/ 2.7 * 1.3 * 3.8in
Lock weight: 313g/ 11oz
Package size: 17 * 13.5 * 4.2cm/ 6.7 * 5.3 * 1.6in
Package weight: 374g/ 13.2oz
Packing list:
1 * Alarm lock
3 * Keys