9 Apparatus and instruments for weighing; Batteries and battery chargers; Bicycle accessories, namely, electronic sound making devices for use on bicycles that generate a motorcycle engine sound; Calipers for measuring trees; Converters; Device for testing the function and effectiveness of smoke detectors, carbon monoxide detectors and heat detectors featuring an aerosol spray; Electronic-based instruments for measuring environmental parameters including humidity, mold, bacteria, air quality and water quality; Electronic door alarms; Electronic weighing scales for kitchen use; Power adapters; Scales