Freezer includes -25℃ deep freezer, -30 ℃ freezer，-40℃ freezer, and -60 ℃ freezer. There are lots of models. The main models have DW-25W147 and DW-25W300. 

All of these freezers have passed CE cetificate and PQS certificate.

Model: DW-25W147, effective volume 147L, AC power supply 220-240V 50/60Hz or110V/60hz, daily freezing capacity 14.5kg/24h, holding time 6h44min, with PQS temperature recorder

Model: DW-25W300, effective volume 300L, AC power supply 220-240V 50/60Hz or110V/60hz, daily freezing capacity 38.3kg/24h, holding time 58h36min, equipped with PQS temperature recorder