* Create a precedent keys switch design, classic design, elegant taste among the best in the pointing. * Super anti-current shocks, which can carry 64 fluorescent lamps. 
 * Insert the security protection against unipolar door design, the use of more security. 
 * The use of national patent wiring plate with two holes, the wiring more convenient. 
 * All imports of PC panel material, feel better. 
 * DuPont quality nylon back seat, natural resistance. Crash. Impact. Durable products. 
 * Access to quality bronze shrapnel, stretch lasting, steady force, longer service life. 
 * Silver alloy contacts, the resistance rate is low. Electric conductivity. Heat. Antioxidant, better than the silver.