Description 1. Can be used for street lights, factories, advertising signs, production equipment, radio and television equipment, stage and other equipment that needs to be turned on and off regularly.2. Set the start clock of each group, the running time of each group is the same, the setting range is 1-99 seconds.3. Time-controlled ringer, 40 groups.4. Long life, no less than 10,000 times of electrical life.5. 16 Inch screen display, the reading is more convenient and clear.Item Type: Timer SwitchModel: TM624 Supply Voltage: 50Hz AC220VConventional Thermal Current: Ith 16ARated Working Current (Ie): AC-15 220V 3ATiming Error: No more than 1s / d: 15WDisplay: 16 Inch display screenAmplification Time: 1s - 99s Group: 40 groupsElectrical Life: Use no less than 10,000 timesInstallation: 35DIN rail mounting or screwsBattery Type: Ni-MH batteryBattery Model: NI-MH40HBattery Nominal Capacity: 40mAhScope Of Application: Street lights, factories, advertising sign lights, production equipment, radio and television equipment, stage and other equipment that need to be turned on and off regularly.size:85 cm x 45 cm x 73 cmMaterial:ABS+electronic componentscolour:whitePackage Contents:1 x Timer Switch1 x English ManualOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.