Features: DIY Home Automation: Make your LED lights, coffee machine, washing machine or other home appliances smarter. A smart BT gateway is required for using this fingerbot. Easy Installation: Comes with different arms for various needs; compact and lightweight, easily install the fingerbot above the on/ off button of the home appliance. APP Control: Compatible with 'Smart Life' APP, easy to control the smart fingerbot via smart APP in your mobile phone anytime and anywhere. Voice Control: Wirelessly control the home appliances through simple voice commands. Compatible with Alexa/ Google Assistant. Timing Function: More personalized setting as on/ off, turn on/ off your smart appliances in a set time, convenient and energy-saving. Note: Size and color may be slightly different because of manual measurement and different light conditions. Thanks for understanding. Specifications: Color: White/ Blue (Optional) Material: Plastic Stall Torque: 1.6 kgf.cm Maximum Movement: 8mm Work Mode: Click, Switch Wireless Protocol: BLE 4.2 Built-in Battery: 3.7V 500mAh Lithium Battery Charging Port: USB Type-C Working Temperature: -10~45℃ Item Size: 48 * 37 * 33mm / 1.89 * 1.46 * 1.30in Package Size: 6 * 5 * 4.8cm / 2.36 * 1.97 * 1.89in Package Weight: 45g / 1.59oz Package List: 1 * Smart Fingerbot 1 * Double-sided Tape 1 * Short Straight Arm 1 * Long Straight Arm 1 * Ring Arm 1 * User Manual (English)