True Sense Technologies

100% brand new and high quality Material: Plastic and Metal Color: See pictures At 120dbs, this siren will not only alert the neighbors of the intrusion, but scare away the burglar right out of your house! This piercing, plug-in siren can be plugged into your keypad/Console. It works with your system, responding to signals from an alerted Keypad/Console. No intruder will hang around when one of these sirens sounds! Specifications: Rated voltage: 12V DC Sound index: 120dB Sound frequency: 3.8KH2+10% Transmit speed: 3H2 increase or discrease 10% Size: Diameter: 5cm/1.97" Height: 4.8cm/1.89" Package includes: 1Pc x Ear Piercing Indoor Siren

• Simple operation,compact design, easy to save, low failure rate. 
• Sensitivity is very easy to detect the size of a pin (or even less), metal items. 
• Have the battery under-voltage instructions(LED lights Always). 
• Are commendable style products in the same paragraph of the highest cost-effective. 
• Alarm means has sound and light, vibration, two types of alarm. 

Hand Held Metal Detector is convenient to use, no adjustable controller, quickly reaction when detecting metals and sound and light simultaneous alarming. The system be able to inspect power source and battery failure, power insufficient. Alarm in different sounds according to different metals.

Indication:

• Single LED for multiple indication.
• Normal Light for ON Indication
• Brighter Light ON metal detection.
• Flashing light for low battery indication.