Features: 8-channel multifunctional receiving module, superheterodyne decoding module board. Compatibility with both 1527/2260 encoding formats for data bit. Suitable for voltages of 3-5V, with wide applications. Small in size and exqusited appearance, low power consumption, -107dBm high sensitivity. Static prevention of the body to avoid dust adhesion caused by static electricity, which may affect the use of the product. Can be used for various remote control switches, controllers, community access lock, barrier security alarms, and other intelligent homes. Specifications: Material: ABS+Metal Size: approx. 2.5x1.87cm/0.98x0.74inch Name: 8-Channel Multifunction Receiving Module Working Voltages: DC3V-5V Frequency: 433MHz Standby current: 6mAh Mediation method: ASK Receiver sensitivity: -107dBm Package Includes: 1Pc 8-Channel Superheterodyne Decoding Module note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.