Chojambulira cha WP402B Chotsimikizika ndi Zamalonda Cholondola Kwambiri cha LCD Chojambulira Chochepa Chokakamiza chimasankha gawo lapamwamba lozindikira bwino kwambiri. Kukana kwa kubweza kutentha kumapangidwa pa gawo losakanikirana la ceramic, ndipo chip chowunikira chimapereka cholakwika chaching'ono cha kutentha cha 0.25% FS mkati mwa kutentha kobweza (-20~85℃). Chogulitsachi chili ndi anti-jamming yolimba ndipo chimagwirizana ndi kugwiritsa ntchito kutumiza kwakutali. WP402B imagwirizanitsa mwaluso gawo lozindikira lapamwamba komanso LCD yaying'ono mu Nyumba yaying'ono yozungulira.