Lock Alarm - Anti Theft Siren Burglar U-Lock

Motion Sensor, Shackle Cut Sensor, Hammer Shock Sensor, Weather Proof, 100 Decibel

"Noise / Alarm is Best Prevention against Crime"

Attracts Attention & Scares Attacker / Thief - Says Police & Lawful Agencies


Why Lock Alarm U-Lock

Ans: Ordinary U Lock, Sit Silent for Thief to Break-in. Lock Alarm produces Very Loud 110 Decibel Alarm, attracting attention.


What's Unique about Lock Alarm U-Lock

Ans: If Shackle Cut or Lock Hammered or Motion Detected Alarm Sounds, Other Locks have only Motion Sensor and detecting Motion / Vibration, does not product Alarm when Shackle Cut. Intensity of Alarm sounds is like Car Horn, Heard from 2.5 - 3 km (Indicative)


What is No False Alarm Technology

Ans: Lock Alarm has No Flase Alarm Technology - Other Motion Sensor Siren Locks Sound Alarm by Dog, Cat, Child etc cause False / Fake / Faulty Alarm, Create Panic & Emergency, then People ignore False Alarm



  • ✓ Ultra Hard Zinc Alloy Lock Body & Hardened Stainless Steel Shackle
  • ✓ Impact Hammer Shock Sensor Alarm, Shackle Cut Sensor Alarm, High Security Key & Lock Cylinder
  • ✓ 3 Way Alarm Sound: 1) Motion Sensor - Detect Motion 2) Shackle Cut Sensor - Detect any Lock Shackle Cutting 3) Impact Hammer Sensor - Detect Dropping, Banging & Hammering of Lock
  • ✓ No False Alarm Technology - Alarm when Needed / Required, not by Mischief or Prank
  • ✓ Dual Mode - Use Lock With or Without Alarm
  • ✓ Works in All Condition - Ice Cold to Hot Climate ( -20 to +54 Deg.Cel), Batteries fit inside a tamper proof compartment
  • ✓ Product Certification & Safety Standards- Europe - CE Mark, Chemical Safety (REACH) & Non Toxic Standard (RoHS)


Easy to Use

  • To Lock - Lock, Beep Sound & Turn Key
  • To Unlock - Insert Key & Turn
  • Motion Sensor - Press Front Button, LED Light Flash & Beep sound
  • Alarm Function - First "Beep" & then Alarm sound for 30 seconds to Reset


Lock Alarm U-Lock    vs    Siren U-Lock



Lock Alarm U-Lock

Siren U-Lock




Shackle Material

Hardened Stainless Steel

Regular mild Steel

Lock Body

Zinc Alloy


Patented Design



Shackle Cut Alarm




Forced Open

If Moved or Shake

Alarm Strength

110 Decibels

Variable: 90 - 100 Decibels

False Alarm possibility

Very Low

Very High

Alarm Detection Technology

Designed to detect cutting or attack from a thief

Designed to detect motion /vibration

(Alarm can activate by Animal or Child or Vehicle Passing


Yes, IP rating of 65


(Bad performance in Wet Conditions)

Lock Pickable



Key Registration on website



Lost Key Replacement Service



Battery Life (Average use)

1 year

3-6 months

Manufacturer Warranty

1 year

No or 6 Months


Key Points

  • • Strong Durable - Zinc Alloy Lock Body & Stainless Steel Shackle (Plastic Coated)
  • • Thief Cannot Pick Lock or Tamper Lock - High Security Key & Lock Cylinder
  • • 3 Sensor Alarms - Motion Sensor Alarm, Shackle Cut Sensor Alarm, Impact Hammer Sensor Alarm(Dropping, Banging, Hammering of Lock)
  • • Dual Mode - Use With or Without Alarm
  • • All Weatherproof, Others Only Waterproof
  • • Use in All Climate - Ice Cold to Hot (-20 to 54 Deg Cel)
  • • Beep Sound After Lock, Flashing LED showing Alarm Set
  • • Battery (2 x AAA) in Tamper Proof Unit, Battery Life - upto 12 months
  • • 1 Year - Warranty
  • • Europe Standard - CE Mark, REACH & RoHS (Chemical Safety & Non Toxic)
  • • Dimensions: 10.5 x 14 x 2.5 cm, Shackle - 80mm Long, 12.5mm Thick, Weight: 600 gm


In Pack: 1 - Lock, 2- Keys


Download: Alarm Siren U-Lock Manual


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