David HKN90 Infant Radiant Warmer Price in Bangladesh. David HKN-90 infant radiant warmer has multiple failure alarm indications, APGAR timer, Pre-warm mode, manual mode and baby mode controlled by a micro-computer. Set temperature and the baby's temperature may appear separately. The horizontal angle of a warmer module can be adjusted. The inclination of the bassinet can be adjusted, and the organic glass panels can be disassembled.