Specification :

cell phone detector
Specifications:
• Power: 3V DC, CR2032 x 1
• Warning mode: LED indication
• Antenna: Internal
• Size: L 47 x W 27 x H 12 mm
• Weight: 10 g
• Frequency range: 400 MHz - 3.0 GHz
Features:
• With advanced power saving technology, one CR2032 lithium battery can last about 30 days.
• With strap for easy attach with mobile phone antenna or key ring.
• With battery low warning.
• Small size and light weight.
• Ultra bright red LED for indication.