Welcome to our store! 1. This stop switch with a key is used for all outboard engines for emergency stop. 2. Made of high-quality plastic, it is waterproof, durable, and can be used for a long time. 3. It is easy to install and remove and is easy to install on the handlebars. 4. It is widely used in RC boats and also on motorboats and manned boats. 5. When a person accidentally falls into the water, the emergency rope will separate from the flameout switch immediately, and the engine operation will be disconnected immediately to ensure life safety. Item Type: Engine Stop Switch Shell Material: Plastic Color: Black + Red Quantity: 1 set Usage: RC boats can also be used on motorboats and manned boats Instructions for use of emergency stop switch: 1. The emergency stop switch consists of two parts, namely the flameout switch and the emergency pull rope. When the bolt of the emergency pull rope is inserted into the flameout switch, the engine is running; when the emergency pull rope is pulled out, the flameout switch immediately disconnects the control of the engine. 2. Purpose: Applicable to power boats and motorboats. When a person accidentally falls into the water, the emergency rope will separate from the flameout switch immediately, and the engine operation will be disconnected immediately to ensure life safety. 1 x Engine Stop Switch 1 x Pull Rope Guaranteed Satisfaction: Customers are our top priority. If you find any issues with the product, please contact the seller immediately. We strive to provide satisfactory after-sales service.