... low calorific value. 2. High stability, drive stable work, output current constant, no drift. 3. High security, suitable for high humidity ... vibration environment of use;Chip inside integrated over-voltage, over-current, overheat protective circuit. 4. Has the maximum output power ... the LED.5. Long use life design, normal life in 60,000 hours. 6. Through the corresponding temperature testing, aging ...