Descriptions: 30A load programmable weekly electronic timer replace relay management time 7 days automatic swap mechanical device put in on DIN rail. TM919B (30Amp load) DIN rail 7-day 24-hour programmable change timer can robotically activate and rancid diversified electric kit at preset time. It is extensively used for 7 days programmable management of avenue lamps, neon lights, signs, lamps, water heaters, air conditioners, billboards, rice cookers, supercharger, sprayers, bottling machines, preheaters, agricultural centers and broadcasting equipment. The digital timer swap is built into a 1/40mA rechargeable battery to buy the power failure program. It has the traits of low power consumption, immoderate precision CMOS chip, steady anti-interference, uncomplicated environment and so on. Specifications: Model: TM919B Power supply: AC220V Switch contact: 1 change-over exchange Procedure: on / off 16 occasions an afternoon or a week Minimum interval: 1 minute Timing range: 1min ~ 168hr color: white Material: ABS + digital elements Average error: 1s / 24h, 25 ° C Package Contents: 1 * Timer Switch 1 * User Manual Only the above kit content, different products will not be included. Note: Light taking pictures and various reveals could cause the colour of the object within the picture a bit different from the genuine thing. The dimension allowed error is +/- 1-3cm.