Features: 2.4G wireless access control, no slotting, no wiring, very easy to install. ABS material panel, flame retardant, waterproof, durable for long lasting use. Powered by battery, support three unlock ways: password, card, password + card. Avoid automatic unlock under the short circuit, more secure and reliable. Contain a doorbell inside, no need to install an additional doorbell, saving you money. If necessary, you can set the on-off mode for frequent in and out. Specifications: Condition: Brand New Material: ABS plastics Color: Shown as picture Optional Plug Type: EU 100-240V, US 100-240V, UK 100-240V Access Controller: Card capacity: 1200 user cards Identification type: Card, password, card + password Sensing distance: 0-5cm Working voltage: DC1.9V-3.6V (2.1V instantaneous undervoltage alarm) Standby current: ≤15uA Working temperature: -45 ° C ~ 70 ° C Working humidity: 30-90% Wireless distance: Open 20m, Partition 10m Wiegand output: WG26 Product size: Approx.158*67.3*27.5mm/6.2*2.6*1.1in Power supply: 4 AA batteries (not included), the new battery can be used for 1 year. Waterproof: The surface is waterproof, but can not be used directly under the rain. Contain a doorbell button Power Supply: Material: High quality plastic Input voltage: AC90-260V Rated voltage: ≤DC12V±5% Rated power: ≤60W Doorbell horn: 8Ω 0.25W Working temperature: -20℃~50℃ Working humidity: 30-90% Wireless Door Exit Button: Mode of work: 2.4G code-to-code Operating voltage: CR2032 button 3V dry battery Static current: ≤10uA Wireless distance: Open 20m, Partition 10m Working temperature: -20℃~50℃ Working humidity: 30-90% Package List: 1 * Access Controller 1 * Power Supply 1 * Power Plug 1 * Exit Button 1 * Screw Bag 1 * Sticker 1 * English User Manual 1、2.4G wireless access control, no slotting, no wiring, very easy to install. 2、ABS material panel, flame retardant, waterproof, durable for long lasting use. 3、Powered by battery, support three unlock ways: password, card, password + card. 4、Avoid automatic unlock under the short circuit, more secure and reliable. 5、Contain a doorbell inside, no need to install an additional doorbell, saving you money.