Model : SDDC-001 Application and features: This state of the art design is good for your environment of both glass and wooden doors and following applications and features: One model suitable for left-handed and right-handed doors, and also for push-in and pull-out door structure. Multiple access: RF card / mechanical override key Easy user cards set up without any PC, software suported. Door thickness: 10~12mm glass door; 16~35mm wooden door. Anti-pick spring bolt Low voltage alarm Strong and elegant lock unit with its components made of zinc alloy, brass and stainless steel material. Product specification: Working voltage: 3.6~4.5V Working temperature: 0o C ~ 40o C Static current: < 13uA Working humidity: 20% ~90% Dynamic current: 200mA Card capacity: 30 cards Frequency: 125kHz About Bai Fu We have been in furniture hardware business for more than two decades. Our five advantages keep us constantly progressing - high quality products, competitive reasonable prices, complete selection of products, constant innovations, and superior sales service. You will realize that we have been upgrading from the basic mechanical locking system to the KABA system and now to an electronic system, and from decorative to constructive hardware.