Wireless Password Keypad For Alarm System. Features: Punch in Your Code into the Wirelesskeypad, and You Can Quickly Arm or Disarm Your Security Alarm System. It Also Works with Electronic Locks for Home or Office Use. The Unit Automatically Locks the Door Behind You, and to Re-enter, Simply Punch in the Code and Hit the Disarm Key. You Could Purchase RFID Tags for Your Colleagues or Family Members and Keep Things Tight and Neat in Your Property. Specifications: Power Supply:3 Pcs of AAA Batteries or DC 12V Static Current:3uA (powered by Batteries) Transmitting Current:10mA RFID Tags Supported:50pcs Transmitting Distance:80m ( in Open Area) Radio Frequency:315MHz Housing Material:ABS Plastic Operating Condition:Temperature: -10C~+55C Relative Humidity:80% (non-condensing) Dimensions (L X W X H):135 X 90 X 15mm Net Weight:90g Package Include: Keypad X 1 AAA 1.5V Battery X 3 . Your order will be shipped from abroad so please allow the necessary time of at least 14 work days for delivery due to ongoing delays in postal deliveries globally.