Features: 1) Micro processor is applied in the timer, function is perfect2) Bumpless transfer, good quality3) High accuracy, wide time delay range4) Easy to operate5) Digit display: 3 digits / double rows display PV and SV6) Power supply AC 220V, 380V, DC 24V, etc.Product size (width x height x depth): JSZG: 48 x 48 x 88mmJSZD: 72 x 72 x 120mmJSZE: 48 x 96 x 115mmJSZA: 96 x 96 x 125mm producing area:China payment:T/T, L/C at sight supplying capacity:20,000pcs/month