Descriptions:Weight: 105gModel: ZK2LM+ZY7-21. Remote Control SwitchSize: 74mm*54mm*27mmCertification: CEOperating voltage: DC12VFrequency: 315MHzSencitivity: -108dBm(315MHz)Ambient temperature: -20℃~+80℃Decoder chip: Fixed code(PT2272)(it can use with transmitter which is also fixed code PT2262/PT2264/SC2262Signal output method: L4-Latch signal inter-lock， T4-Toggle signal self-lock， M4-Momentary signal non-lock2. Remote ControlModel: ZY7-2Weight: 38gSize: 85mm*35mm*15mmOperating voltage: DC12VOperating current: ≤ 30mATransmitting power: >15mwOperating frequency: 315MHzTransmitting distance: ≤1000m (open space)Transfer data rate: 3-6kEncoding chip: PT2262， EV1527， HCS301Frequency deviation: ±0.2MHzWorking way:1. M4 Signal temporary (non-locking):Press remote control A button， the corresponding relay actuates， release the button， the relay breaks. Press remote control A button， the corresponding relay actuates and keeps working， press remote control B button，the relay breaks and stop to work.2. L4 Signal (interlocking):Pressing button A on the remote control， corresponding to relay A sucking and keeping， relay B disconnecting; Pressing button B， relay A disconnecting ， relay B sucking and keeping ， They work in circulation3. T4 signal(self-locking):Press remote control A button， the corresponding relay actuates and keeps working， press remote control A button，the relay breaks and stop to work.Features:100% new and high qualitySafe and flexible for recovery operationDurable and stable for long time useHigh performance wireless switch controller in ASKWidely used in garage doors， electric shutter doors， telescopic doorsCan pair SC2262， SC2264， eV1527 and other conventional transmitter chip， direct output normally open normally closed signal or voltageApplication: Remote control， remote measurement and remote sensing， anti-theft alarm signal receiving and various remote controls for home-appliancesSpecified as preferred components in remote control garage， roller curtain， door locks， remote sensing， telemetry， industrial control and wireless security alarm industry