I. Uses and Features: This product is suitable for fire, earthquake and other emergency situations, users fall from a height safe ground to escape use. It is the use of the user's weight, from a certain height, a certain uniform speed safety to the ground, and reciprocal use of escape altitude can slow down, you can configure different rope lengths according to user requirements. Simple, reliable, and security features. Second, the structural characteristics: 1, this product meets GA413-2003 --- "life-saving relief to drop" standards. 2, the governor by the gear transmission and friction deceleration system components, depending on the weight of the user, can achieve balance in a very short period of time, so that the speed of decline steadily. 3, cored rope to rope. Rope wire rope core by air; outer layer of high-strength synthetic fiber, high strength safety and reliability. 4, seat belts synthetic material, and the user can adjust the size bust length. 5, the hook has a safety device, anti-loose. Third, the technical characteristics: Load range: 35 ~ 100Kg height range: 10 ~ 100M belt Maximum load: 650Kg Working temperature: -300C ~ 600C lowering speed: 0.16 ~ 1.5M / S rope strength: 650Kg governor weight: ≤2.5 Kg IV package consisting of the governor, ropes, belts, safety hook, rope reel disk, etc.