dodocool Self-powered Battery-free Wireless Doorbell Kit with 1 Battery-free Transmitter Push Button and 2 Plug-in Receive

description":"Overview dodocool Self-powered Wireless Doorbell Kit includes one self-powered transmitter and two plug-in receive with LED lights. It offe a 262ft wireless operating range and has the flexibility to be mounted or placed anywhere around your home. The self-powered transmitter is rated IPX7 and requires no batteries. Receive feature 38 optional doorbell chime tunes, 4 adjustable volume levels and CD quality sound. It can be conveniently used in homes, offices, factories and more. Features Flexible Design One self-powered transmitter and two plug-in receive allow more flexibility in installing locations. Get instant alerts via audible melodies and flashing LED light from both receive at a single press of the transmitter button. Self-Powered Transmitter Adopt advanced technology to convert kinetic energy into electricity and transmit wireless signals to the receiver. No battery is required. No hassle in buying or changing batteries. Reliable & Durable The durable push button can be used around 200,000 times. With an impressive IPX7 rating, the transmitter can withstand hah and wet weather conditions. Wireless Transmission Support a wide wireless operating range of up to 262ft in open areas. Enjoy a wireless transmitting range of up to 786ft with the help of the relay function of receive*. Never miss a visitor again.  Customize Your Doorbell Receive offer 38 optional chimes and 4 adjustable volume levels (up to 105 dB) to suit your needs. And each receiver can be configured with different chimes and volume levels. User-friendly Flashing LED indicato on both the transmitter and the receiver provide a visible indicator in a noisy environment or for the hard-of-hearing. Easy and Safe The absence of wires makes the setup simple and hassle-free, safe and reliable. No pairing required. Ready to go out of box.  Veatile Triggering the signal transmission only requires a very tiny pressure of 350g. It can be conveniently used by patients, the elderly or children to page or contact their loved ones and care take. Expandable You can expand each receiver with multiple push buttons or multiple receive for one push button.  Specifications Brand: dodocool Material: PC + ABS Color: White LED light color: Blue Doorbell type: Wireless Receiver plug type: US plug or EU plug (optional) Receiver input voltage: AC 110-240V Receiver standby power consumption: 0.25W Transmitter standby power consumption: 0W Transmitter: Self-powered, no battery required Transmitter operating pressure: 350g Transmitter water resistance rating: IPX7 Operating range: Up to 80m / 262ft (outdoor and in open areas) or 30m / 98ft (indoor)  (* Note: With additional receive, the operating range can be extended to up to 240m / 786ft ) Chime tunes: 38 melodies Volume levels: 4 levels (Max. 105dB) Frequency: 433.92 MHz Mechanical life: Approx. 200,000 times Certificate: CE, FCC, RoHS Warranty: 24 months limited warranty Transmitter diameter: Approx. 2.64 in / 67.00 mm, thickness: approx. 0.79 in / 20.00 mm Receiver diameter: Approx. 2.64 in / 67.00 mm, thickness: approx. 1.26 in / 32.00 mm Transmitter weight: Approx. 1.36oz / 40g Receiver weight: Approx. 1.96oz / 56g Package size: Approx. 7.87 * 4.41 * 2.13 in / 200 * 112.00 * 54.00 mm (L * W * H) Package weight: Approx. 9.28oz / 263g Package includes 1 * dodocool Wireless Doorbell Self-powered Transmitter 2 * dodocool Wireless Doorbell Plug-in Receiver 1 * 3M Double-sided Adhesive Tape 2 Set * Screws & Expansion Pipes 1 * Instruction Manual (English, French, German, Spanish, Italian, Japanese)