1.auto alarm and just lock 2.waterproof,hardly zinc alloy body 3.durable. 110dB siren,automatic reset 4.waterproof,shockproof

1.ALARM DISKLOCK 110dB siren

2.auto-alarm system&locking system

3.automatic reset

4.shock&movement sensor

5.corrosion resistant

6.weather resistant

7.anti-muffle design

8.heated treatment processed hardened stainless pin

9.waterproof

10.hardened&chrome zinc alloy boy

11.height: 67mm,length:87mm,width:30mm

12.with 3pcs Maximum Security keys 6pcs batteries(LR44 1.5V)

alarm padlock HT1003(6pcs batteries for free)