a)Cap. 500gm Sensitivity 0.1gm (100mg). Routine quality b)Cap. 600gm Sensitivity 0.1gm (100mg). Superior. quality c)Cap. 300gm Sensitivity 0.01gm (10mg) Routine quality, small size d)Cap. 300gm Sensitivity 0.01gm (10mg) with re-chargeable battery back-up superior quality e)Cap. 300gm Sensitivity 0.005gm (5mg) with re-chargeable battery back-up superior quality