Functions and Features
1. Either mode of single card control or double card control can be used to open door flexibly.
2. It is applicable to the chests and cabinets in places like enterprises, institutions, schools, public bathhouses, sauna bath centers as to make management more convenient and intellectual.

Technical and Functional Index:
Ower supply: DC4. 5V. Use of 3 pieces of No. 5(or No. 7) AA alkaline batteries, with low voltage warning.
Static consumption: 3uA Max.
Dynamic Consumption: about 250mA
Battery life: 10000 times. Under low voltage warning, it can open door 150 times at least.
Working temperature: -20' - 70', humility: 98% Max.