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Constant On/Off - Green Laser, AAA Batts
BTG-2S-P Constant On/Off Green Laser - Jet Black
Part Number:BTG-2S-P

Constant On/Off - Green Laser, AAA Batts

The Z-Bolt® BTG-2S-P is one of pair best selling astronomy green lasers - scope mountable, use hands free. Z-Bolt® Certifed Power; constant-on switch; 5 mile range at night.
$48.00 On sale
Your Savings:$20.00(29%)
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Battery Charger 4 pcs AAA Rechargeable Batteries (+$24.00)
  • Description
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  • Specifications
  • Features - Box Contents
Hands Free Operation - Scope Mountable - Alkaline Powered
The Z-Bolt® BTG-2S-P is constructed of high quality steel & brass components and includes an IR filter and glass lens for superior laser performance. Satin lined carry & gift case. Jet black finish. Constant on/off click switch; telescope mountable; visible beam & five (5) mile range (at night). Add a Z-Bolt® cable switch for remote activation. Z-Bolt® Certified Power: The BTG-2S-P features guaranteed Z-Bolt® Certified Power for the brightest possible daylight dot; most visible nighttime beam. 

Z-Bolt® Certified - Power Output Cards
Each Z-Bolt® Certified Power green laser pointer is factory tuned & calibrated, then tested & certified on a laser power meter. These Certified Power units are rated at 4.0 to 5.0 mW power output and are 2 to 3 times brighter than standard Class IIIa units - all ship with our exclusive Laser Power Output Certificates. 

Special APC Circuit and IR Filer for Safety
The BTG-2S-P includes our special APC control circuit and an IR filter for eye safety. The computerized APC diode drive circuit features "Automatic Power Control". This advanced circuit is based on a photo diode feedback loop. The photo diode monitors the optical output and provides a control signal for the laser diode, helping to maintain the diode operation at a constant optical output level. The circuit adds to the lifetime of the laser, prevents overheating, and provides overall power output stability & efficiency.
Order Online: 
Click "ADD TO CART" to calculate shipping costs & select shipping options, then complete order online. We offer discounts for 2+ and 10+ qty purchases, (email for large order quotes) & accept all major credit cards - also Paypal Checkout, Paypal Credit, & Amazon Pay. Or choose "Call in Credit Card #" for added security (reference Invoice # received after checkout) Buy with Confidence! 

30 Day “No Questions Asked” Return Policy 

Submit Purchase Order:
Beam of Light Technologies, Inc. accepts corporate & government purchase orders. Please include contact name and e-mail address with faxed PO Documents; e-mailed PO's in Word or Adobe .pdf format. Purchase Orders addressed and made payable to: 

Beam of Light Technologies, Inc. 
Attn: Karen Mueller 
10111 SE Clatsop Street 
Portland, OR 97266, USA 

Karen Mueller 
(877) 801-9299 (Ext 1) 
Faxed PO's (603) 386-6644 
Length 6.22 in. x Diameter 0.51 in. ( 158 mm x 13 mm )
Standard Cold Weather Performance 41° ~ 95°
Wavelength (Color) - 532 nm (Emerald Green)
Output Power - Z-Bolt® Certified 4.0~5.0 mW
Diode Operating Life - 3,000 to 5,000 hours
Diode Circuit Type - Computerized APC
Beam Diameter at Source - 1.1 mm
Output Mode - Constant Wave
Range ( Night ) - 5 Miles
FDA Safety Class - IIIa
ANSI Safety Class - 3R 
Warranty - 2 Years
98% IR Filtering to Insure Eye and Viewing Safety 
Computerized APC Diode Control Circuit
Power Source - 2 pcs AAA Alkaline
Jet Black Finish - Laser Power Tube
User Guide & Specification Card
Laser Power Output Certificate
Constant On/Off Click Switch
Satin Lined Carry Case