Mini red lasers manufactured by Wen Tai Enterprise Co. Ltd. use a 650-nm red laser diode and are designed with automatic power control to maintain a constant output level. The compact laser head measures 3 × 10 mm for easy incorporation into remote controllers, laser displays, and guidance, pointing and alignment devices. Output powers range from <1 to 5 mW, with typical consumption of 40 mA and 60 mA, maximum. Operating temperature ranges from 0 to 40 °C. Lifetime is 3000 h.