Specifications
Quality products, reliable quality.Features:
Circuit control: APC
Dimensions: 8x20mm (W * L)
Power Supply: 3.0-5.0VDC
Output Power: 1-200mw
Packaging and Delivery :
Package type: carton
Delivery time: within 1-3 days after getting payment
Specifications
Please weld the 3 pins of LD to the PCB board.
The red wire on the PCB is positive +, black wire on the PCB is negative -, connect both wires to a 3-5V DC power supply, use potentiometer to adjust the output power of the laser diode. The circuit will automatically control the output power of the LD.
If the laser diode's operation current is very small, please first adjust the potentiometer to the smallest current before connecting to the power suply.
Please make sure the you use enough cooling when operating on the Laser diodes. 
Company and warehouse photos
Based in Wuhan, Central China Hubei Province, Lilly Electronics is engaged in fabrication, sales and R&D of consumer electronics maninly in the industry of Laser, IC and LED! You are welcome to visit us for culture exchange and mutrual business development and progress.
Our service:
[Payment Information]
1. T/T (Wire Transfer)
2. WESTERN UNION
3. PAYPAL
4. ESCROW
[Shipping]
1. We will ship the items within 3 working days after the payment confirmed.
2. We can ship to you by UPS/DHL/TNT/EMS/FedEx. Please contact us directly and we will use your preferred ways. For the Countries & Regions where EMS cannot deliver, please choose other shipping ways.
3. We are not responsible for any accidents, delays or other issues caused by the forwarder.
4. Any import fees or charges are on the buyer's account
Refund & Replacement]
1. We appreciate your business and offer an instant 7 days return policy. (7 days after receiving the items).
2. If the items you purchase from our store are not of perfected quality, that is they don't work electronically to manufacturers specifications, simply return them to us for replacement or refund.
3. If the items are defective, please notify us within 3 days of delivery.
4. Any items must be returned in their original condition to qualify for a refund or replacement.
5. The buyer is responsible for all the shipping cost incurred.
Other links of our products:
http://www.ebay.com/usr/goldy0903, http://stores.ebay.com/lillyelectronics/
http://www.aliexpress.com/store/211860, http://www.aliexpress.com/store/1081270