TMS Digital Hour Meter Tachometer Tach Tacho for Yamaha Honda Kawasaki BMW Product Features Applications for all 2-Stroke or 4-Stroke gas powered engines It will show both engine RPM and hours of operation,Read up to 99,999 RPM Easy to install, instructions & user manual included,Programmable maintenance interval setting Replaceable internal battery rated for 35,000 hour of operation Can reset total hours and maintenance time,Wrap first wire around your spark plug cable, connect second wire anywhere on the engine or frame Product Specifications Brand: TMS Item Weight: 1 ounces Product Dimensions: 6 x 6 x 3 inches Item model number: HOURMETER-RL-HM011 Manufacturer Part Number: HOURMETER-RL-HM011 Folding: No Shipping Weight: 1 ounces Date First Available: October 27, 2010 Why you Should Buy from Us? Trusted Seller, Great Feedback Quick Shipping and Tracking HUGE Discounts Excellent Returns Policy The BEST Customer Service Shipping & Returns We Ship Worldwide! 14 Day Money Back Return Policy Items Ship within 24-72 Hours Shipping process begins as soon as you order. We cannot cancel orders. Our goal is FAST delivery! Product Description The HM011 is a self powered LCD hour meter, tachometer and maintenance meter. An internal lithium battery furnishes the power for the monitor. A wire around the spark plug wire of the engine provides both a tachometer signal an indicator that the engine is running. The maintenance meter is used to alert maintenance personnel that a time interval has expired and maintenance shuold be performed on the engine. Thank You For Your Business!